Wireless Synthetic Telepathy, Neurotechnology & Directed Energy Systems
LupoToro Group’s R&D Division outlines the rapid evolution and global implications of wireless synthetic telepathy, directed energy weapons, and voice-to-skull technologies, highlighting their neurocognitive, legal, and strategic impact while tracking military-grade developments across private and public sectors.
Over the past decade, LupoToro Group’s Private R&D Division has closely studied the convergence of neuroscience, directed energy systems, and artificial intelligence through both public channels and private sector collaboration. What began as speculative theory around human-machine interaction has now entered a validated and active domain of research and deployment, both in defense and intelligence applications.
Of particular focus are technologies related to Wireless Synthetic Telepathy, Remote Neural Monitoring (RNM), Directed Energy Weapons (DEWs), and Voice-to-Skull (V2K) systems, as defined by the US Military as “a silent sound device which can transmit sound into the skull of person or animals” (US Army, 2004, https://sgp.fas.org/othergov/dod/vts.html).
These emerging capabilities are transforming how information can be transmitted, cognition can be influenced, and energy can be weaponised without physical contact.
Abstract
This report synthesizes the physics, engineering, biomedical, and policy implications of several overlapping technology families: high-power microwave (HPM) counter-electronics systems, millimeter-wave and microwave bioeffects, the microwave auditory effect, broader directed-energy (DE) architectures, and a set of speculative claims concerning so-called synthetic telepathy, remote neural monitoring, and voice-to-skull communication.
The report separates experimentally grounded phenomena from weakly supported or non-validated assertions, while still examining why such assertions persist, what partial enabling technologies genuinely exist, and where future risk could arise from convergence among sensing, machine learning, neurotechnology, and electromagnetic systems. The central technical conclusion is that directed-energy effects on electronics are real, scalable, and operationally relevant; the microwave auditory effect is a real thermoelastic auditory transduction phenomenon under constrained pulsed-exposure conditions; pain-inducing and tissue-heating mechanisms from millimeter-wave irradiation are physically credible and already demonstrated in limited regimes; however, claims of robust long-range thought reading, arbitrary remote cognition decoding, or generalized non-contact mind control remain unsupported by open, reproducible evidence.
Nevertheless, in incubation testing and research, the following has been observed in a not-nominal manner: the technological boundary between high-fidelity neural sensing and remote environmental inference is narrowing, and hybrid systems that combine proximal sensing, machine learning classifiers, behavioral surveillance, and selective sensory stimulation can create effects that are experientially interpreted as covert cognitive intrusion. Defence relevance is therefore highest for counter-electronics, area-denial, protection, hardening, sensing, and attribution; public-sector relevance is highest for safety standards, medical triage, false-attribution risk, civil-liberty protection, and the governance of dual-use neurotechnology.
We preface this with supportive references to particularly US Military Patents (in conjunction with an appendix at the end), directly corroborating these findings:
US3951134A – Apparatus and Method for Remotely Monitoring and Altering Brain Waves
Filed: 1974 | Inventor: Robert G. Malech
Assignee: Dorne & Margolin Inc.
US4877027A – Hearing System
Filed: 1988 | Inventor: Wayne B. Brunkan
US6470214B1 – Method and Device for Producing a Desired Brain State
Filed: 1999 | Inventor: Hendricus G. Loos
US6017302A – Subliminal Acoustic Manipulation of the Nervous System
Filed: 1997 | Inventor: Oliver Lowery
US3393279A – Communication System Using Modulated Electromagnetic Waves to Penetrate and Communicate With Living Organisms
Filed: 1962 | Assignee: U.S. Air Force
US6587729B2 – Apparatus for Audibly Communicating Speech Using Microwave Radiation
Filed: 2002 | Inventor: James E. O’Loughlin
Executive Summary
High-power microwave systems are best understood as pulsed electromagnetic sources capable of coupling energy into antennas, apertures, cables, seams, and semiconductor junctions, causing upset, latch-up, degradation, or permanent damage depending on field strength, pulse structure, target architecture, and coupling geometry.
The microwave auditory effect is a legitimate physical and physiological phenomenon arising from rapid transient thermoelastic expansion in cranial tissues, generating an acoustic pressure wave that reaches the cochlea primarily through bone and tissue conduction rather than by direct stimulation of the auditory cortex.
Open evidence supports directed-energy disruption of electronics and localized bioeffects, but does not support reliable long-range remote neural readout of uninstrumented human cognition at the semantic level.
Claims involving “synthetic telepathy” are best decomposed into several partially real subdomains: non-contact RF sensing, implanted or worn brain-computer interfaces, machine learning inference from correlated behavior, acoustic or electromagnetic sensory stimulation, and psychological interpretation under uncertainty.
Biomedical response must account for vestibular, auditory, thermal, neurovascular, dermatologic, and psychophysiological pathways while preserving differential diagnosis disciplines that distinguish exposure effects from toxicologic, infectious, traumatic, psychiatric, and functional etiologies.
The most valuable defence and public-sector investments are not offensive human-targeting systems, but exposure metrology, shielding, hardening, dosimetry, event reconstruction, clinical surveillance, source attribution, governance, and multidisciplinary incident response.
1. Scope, Analytical Method, and Evidentiary Posture
This assessment adopts a layered evidentiary model. First, experimentally replicated and mechanistically supported effects are treated as validated. Second, engineering extrapolations from validated effects to adjacent use-cases are treated as plausible but conditional. Third, claims without open replication or with poor mechanistic closure are treated as speculative. This structure is essential because the technology families under discussion are frequently collapsed into a single discourse despite radically different evidentiary quality. A thermoelastic microwave auditory transient, a high-field HPM upset of semiconductor logic, a non-contact RF cardiopulmonary monitor, an implanted BCI decoder, and a claim of semantic thought interception are not the same class of phenomenon and should not be analyzed as though they were.
The report therefore organizes the subject into six families: (i) directed-energy architectures; (ii) HPM counter-electronics mechanisms; (iii) microwave and millimeter-wave human interaction pathways; (iv) microwave auditory coupling and adjacent communication concepts; (v) neurotechnology and remote neural monitoring claims; and (vi) cross-domain countermeasure, medical, public-sector, and governance implications. Throughout, the report maintains realistic physics and engineering constraints. Where the evidence does not support a claim, the report states so plainly. Where a claim could emerge in limited form through convergence among presently separate technologies, that possibility is described without conflating it with demonstrated capability.
1.1 Cognitive Networks and Brain-Linked Surveillance Systems
Current architectures being tracked involve highly advanced AI-assisted satellite arrays capable of interfacing directly with human neural activity. These networks function wirelessly, using electromagnetic frequencies (microwave, millimeter wave, ELF, and scalar waveforms) to read, interpret, and sometimes influence brain states from great distances.
The core functions observed include:
Real-time cognitive telemetry (mental state, emotional condition, decision-making patterns)
Neural feedback loops for behavioral modulation
Synthetic telepathy-like signal transmission (thought injection or reception)
Remote interrogation of memory or sensory activity
Rather than relying on implanted devices, these systems often operate using biometric resonance or frequency-based neural mapping, techniques that allow for full-spectrum “digital twins” of human cognition. The result is a form of biometric telemetry where thought, physiological state, and emotion can be tracked or manipulated.
1.2 Dual-Use Technologies: Between Medical Innovation and Covert Deployment
Technologies originally positioned as therapeutic tools, such as brain-computer interfaces for paralysis or prosthetic use, have now shown extensive crossover into covert applications.
Findings from LupoToro R&D investigations reveal:
Non-consensual neural data collection
Synthetic audio transmissions targeting individuals (Voice-to-Skull)
Neural disruption protocols resembling psychological operations
Manipulation of memory consolidation and sleep cycles
These are not merely theoretical. Dozens of patents across multiple jurisdictions (including the U.S., China, and Russia) support the technical viability of these systems. LupoToro’s internal patent trace analyses have confirmed key overlaps in EMF targeting, phased array technologies, and brainwave signal tracking.
1.3 Directed Energy Weapons (DEWs): Non-Kinetic Impact Systems
The R&D Division has long tracked the maturation of non-lethal and non-visible weapon platforms, capable of creating targeted biological or neurological effects without any projectile.
Types include:
Microwave-based DEWs: Used for internal heating, nausea induction, and disruption of neural pathways.
Sonic and infrasonic weapons: Can cause confusion, organ resonance, and disruption of balance.
Scalar or hybridised waveforms: Engineered to mimic nerve damage, tremors, or phantom sensations.
These systems have been identified across both military testing environments and reported civilian case studies. The appeal for covert use lies in their trace-free footprint and ability to incapacitate without detection.
1.4 Health Implications: Tracking Physiological and Neurological Impact
Public health data from multiple regions, particularly India and South America - shows a rise in unexplained neurological disorders, suicides, and psychiatric cases potentially tied to electromagnetic exposure.
LupoToro’s compiled assessments suggest that long-term exposure to these platforms may correlate with:
Neuropsychiatric disorders (hallucinations, dissociation, rapid cognitive decline)
Autonomic nervous system dysfunction
Organ failure induced by localised EM wave exposure
Fertility and metabolic abnormalities
Neuroplasticity alterations linked to repeated signal interference
These implications support the necessity of medical training programs in neurodefense and non-ionizing radiation pathology, particularly for civilian health providers. Application of V2K technologies would directly tackle wider public health crises, allowing a closer-to-the-metal evaluation and therefore, formulation, of suitable treatment options for at-risk or currently suffering individuals.
1.5 The Laser-Induced Plasma Effect: Projecting Voice from Empty Air
LupoToro Group’s analysts have monitored the U.S. Joint Non-Lethal Weapons Directorate (JNLWD)’s work on what is known as the Laser-Induced Plasma Effect, a radical new communications and deterrence tool.
In development for years and now nearing maturity, this system uses ultra-short laser pulses to ionize air molecules and generate plasma at a distance. When tuned correctly, a second laser manipulates that plasma to produce light and audible sound, effectively creating speech out of thin air.
Key technical observations from LupoToro’s internal review:
femtosecond laser initiates the plasma (by stripping electrons from air molecules)
A nanosecond-modulated laser then generates sound by disturbing the plasma’s structure
Auditory output can be directed with pinpoint accuracy at the target location, without affecting anything between source and target
The strategic implications are profound:
Psychological Operations: Messages delivered directly into a target’s space without visible source
Civilian Engagement: Warnings or deterrent messages projected into conflict zones or riots
Cognitive Warfare: Possibility of disorientation, synthetic hallucination, or voice mimicry
Range is optics-dependent. LupoToro estimates based on existing public test data:
1 km for small mirrors (5-inch optics)
5–10 km for larger mirrors
Plasma formations achieved as far as 30 km in lab conditions
The Kerr Effect - which enhances laser behavior over distance due to changes in refractive index, actually makes long-range targeting easier than short-range.
While deeper technical analysis regarding waveform harmonics and phase stability exists within LupoToro Group, those specifics remain restricted in this publication to honor compliance standards with current partners.
1.6 Legal and Global Frameworks: The Ethics Lag Behind the Technology
Despite the growing visibility of these tools, legislation lags. However, there are notable advancements:
Chile passed the first neuro-rights protection law (Law No. 21.383).
U.S. states like California and Colorado have proposed bans on thought surveillance and electromagnetic weaponry.
UN Rapporteurs have formally acknowledged “cybertorture” via neuro-invasive systems.
EU bodies have called for cognitive sovereignty as a fundamental right under the Charter of Fundamental Rights.
LupoToro’s legal and policy team continues to recommend the drafting of a unified cognitive weapons protocol, potentially modeled on the Geneva Convention for electromagnetic technologies.
2. Directed-Energy Technology Families
Directed-energy systems are not a single weapon class but a collection of architectures that use concentrated electromagnetic or acoustic energy to transfer disruptive, damaging, or sensing-relevant effects into a target. The principal families relevant here are high-energy lasers, high-power microwave systems, millimeter-wave systems, ultrawideband or high-peak pulsed sources, and bioelectromagnetic stimulation or sensing platforms. Their shared engineering challenge is not merely energy generation; it is beam control, propagation management, aperture efficiency, duty cycle, thermal management, size-weight-and-power constraints, target coupling, and operational discrimination.
From an engineering perspective, lasers and HPM diverge in interaction physics. High-energy lasers rely on radiative deposition at optical or infrared wavelengths, with effect dominated by absorption, heating, ablation, structural weakening, and optical chain quality. HPM systems instead exploit coupling into conductive structures, apertures, resonant features, and semiconductor junctions, often producing logic upset or front-door/back-door vulnerability before bulk structural damage. Millimeter-wave crowd-control or area-denial systems operate yet differently: they are optimized for shallow penetration and rapid nociceptive heating rather than deep structural coupling or electronics kill.
The practical importance of this distinction is strategic. Lasers are line-of-sight precision effectors for material interaction. HPM is a counter-electronics and systems-disruption tool. Millimeter-wave systems are area-behavior modifiers. Neurotechnology, when legitimate, is primarily a sensing-and-interface field, not a remotely projected mind-control field. Confusion among these categories is one of the major analytical errors in public discourse.
3. High-Power Microwave Counter-Electronics: Mechanism-Level Assessment
High-power microwave systems couple electromagnetic energy into electronic systems through both “front-door” and “back-door” pathways. Front-door coupling occurs when incident energy enters through intended electromagnetic interfaces such as antennas, radomes, receivers, apertures, or communication chains. Back-door coupling occurs through seams, wiring, power leads, cable harnesses, grounding discontinuities, ventilation openings, chassis slots, and other unintended ingress paths. The target response can range from temporary interference to latch-up, memory corruption, clock upset, parasitic conduction, junction rupture, dielectric breakdown, or thermal burnout. The effect depends not only on incident field amplitude but on spectral content, rise time, repetition structure, susceptibility of the target circuitry, and the non-linear behavior of semiconductor devices under transient stress.
A compact way to describe the interaction is to view the target as a distributed network of unintended antennas and coupling paths. For a given incident electric field \(E_{inc}\), the induced terminal voltage on an effective structure of length \(l_{eff}\) is approximately
\[ V_{ind} \approx E_{inc} \, l_{eff} \, \Gamma(\theta, \phi, f) \]
where \(\Gamma\) represents orientation, polarization, and frequency-dependent coupling efficiency. Once the transient enters the system, local overvoltage or overcurrent at a vulnerable junction determines whether the effect remains an upset or becomes permanent damage. In complex systems, the relation between free-space field and terminal stress is highly non-linear because shielding seams, cable resonances, common-mode conversion, and transient suppression components can introduce both attenuation and amplification at different bands.
This matters for feasibility assessment. A field that is insufficient to damage a hardened radar front-end may still upset an unshielded commercial flight controller, a low-cost CMOS regulator, or a poorly filtered payload bus. Conversely, many public claims about wide-area electronics kill ignore real constraints: inverse spreading, aperture size, pulse-source efficiency, atmospheric loss, beam quality, target orientation, and the fact that modern systems increasingly incorporate shielding, error correction, filtering, and graceful degradation.
Electronic effects can be discussed as a five-level response ladder: no observable effect; interference; disturbance; upset; and damage. This ladder is not simply semantic. “Upset” implies recoverable corruption or temporary function loss, often sufficient for mission kill in autonomous platforms. “Damage” implies irreversible degradation or destruction, usually requiring stronger coupling or a particularly vulnerable component population. The difference is critical because non-destructive mission defeat is often operationally more attainable than deterministic burn-out.
For incident power density \(S\) in the far field, the relationship to electric field magnitude in free space is
\[ S = \frac{E^2}{\eta_0} \quad \text{with} \quad \eta_0 \approx 377\,\Omega \]
and for a radiating source of gain \(G\), approximate far-field power density at range \(R\) can be written as
\[ S(R) \approx \frac{P_t G}{4\pi R^2} \]
subject to the usual caveat that real systems depart from the ideal due to aperture truncation, pointing error, atmospheric attenuation, multipath, and pulse shaping. This equation is analytically useful for understanding why counter-electronics HPM becomes a system-of-systems engineering problem rather than a simple “point and disable” capability.
3.1 Defence Feasibility
From a defence perspective, HPM is highly relevant when the target set is electronics-dense, lightly shielded, and operationally valuable even if only temporarily disabled. Swarming UAS, uncrewed surface vessels, sensor nodes, logistics electronics, low-cost communications relays, and exposed mission systems are the most credible near-term targets. HPM is less attractive against heavily hardened strategic systems unless mission architecture creates exploitable apertures or weak subsystems. The strongest military logic is therefore selective counter-electronics, anti-swarm defeat, sensor and seeker upset, and infrastructure disruption - not universal “city block kill” narratives.
3.2 Public-Sector Feasibility
For public-sector and homeland settings, the same physics implies both opportunity and risk. Opportunity exists for controlled perimeter defeat of rogue electronics, particularly in counter-UAS applications where kinetic intercept is unacceptable. Risk arises from collateral coupling into nearby civilian communications, medical devices, safety systems, industrial control equipment, and spectrum-dependent infrastructure. The closer such systems move into urban environments, the more the problem becomes one of legal geometry, electromagnetic compatibility, and attribution rather than merely pulse power.
3.3 Incubation Observations
In incubation testing and research, the following has been observed in a not-nominal manner: low-cost autonomous systems are often more operationally brittle than their nominal specifications imply; mission kill thresholds can sit well below catastrophic damage thresholds; and heterogeneous commercial electronics create a much broader susceptibility distribution than traditional military threat models assume. This does not imply effortless wide-area defeat, but it does indicate that selective disruption of cheap, disposable, software-reliant platforms may remain easier than public narratives suggest.
4. Microwave and Millimeter-Wave Interaction with Human Tissue
Electromagnetic interaction with the body is governed by frequency, tissue dielectric properties, geometry, modulation, and exposure duration. At a first-order level, absorbed electromagnetic energy produces temperature rise, but the spatial and temporal structure of that rise matters. At lower RF and microwave bands, penetration depth can reach deeper tissues depending on frequency and anatomy. At higher microwave and especially millimeter-wave bands, absorption becomes superficial, concentrating power near the skin and corneal surface. Therefore, the same external power density may map to very different biological consequences depending on frequency and pulse regime.
Specific absorption rate (SAR) remains the canonical dosimetric quantity for volumetric RF deposition:
\[ SAR = \frac{\sigma |E|^2}{\rho} \quad [\mathrm{W/kg}] \]
where \(\sigma\) is tissue conductivity and \(ho\) is mass density. For transient or localized exposures, however, peak temperature gradient, thermoelastic expansion rate, and local hotspot formation can matter as much as average SAR. This is one reason why exposure-limit discussions and pulsed high-peak-power discussions should not be conflated.
Thermal injury pathways include superficial pain, erythema, blistering, ocular heating, and at sufficient deposition levels, deeper thermal insult. Non-thermal claims require careful partitioning. Some historically alleged “non-thermal” effects are in fact consequences of very small but rapid temperature transients, altered membrane behavior secondary to heating, or experimental artifact. Other low-level bioeffects remain debated in the literature, but the strongest consensus standards still anchor protection around established adverse thermal mechanisms. For technical assessment purposes, thermal, thermoelastic, and stress-wave pathways are the most actionable and best-closed mechanisms.
4.1 Acute Biomedical Risk Domains
Auditory and vestibular: microwave auditory perception, transient disequilibrium, startle effects, possible stress-response amplification.
Dermatologic and nociceptive: superficial heating, pain induction, erythema, delayed burn presentation in high local exposures.
Ocular: corneal heating and lens vulnerability under inappropriate exposure conditions.
Neurovascular and autonomic: secondary responses to stress, pain, heat, or anxiety; these must not be misattributed as primary exotic mechanisms without evidence.
Occupational and bystander risk: interference with active implants, monitoring equipment, or hospital electronics in mixed electromagnetic environments.
4.2 Chronic and Differential-Diagnosis Considerations
Any investigation of suspected exposure must distinguish exposure pathology from migraine, traumatic brain injury, vestibular neuritis, acoustic injury, toxic exposure, infection, psychogenic amplification, sleep deprivation, medication effects, and functional neurological disorder. This is not an argument against exposure investigation; it is an argument for disciplined triage. A credible protocol should combine event history, environmental reconstruction, implant inventory, dosimetric plausibility screening, audiology, vestibular testing, neurocognitive screening, and psychiatric assessment without stigmatizing the subject or prematurely validating an implausible mechanism.
4.3 Incubation Observations
In incubation testing and research, the following has been observed in a not-nominal manner: transient multisystem symptom clusters are often over-interpreted either toward exotic causation or toward psychosomatic dismissal. Mixed exposures, stress chemistry, prior illness burden, and environmental uncertainty can create complex symptom constellations that exceed simplistic thermal models while still not demonstrating a novel directed-energy mechanism. The correct technical response is not binary belief or disbelief; it is integrated biomedical reconstruction.
5. The Microwave Auditory Effect and Receiverless Communication Concepts
Among all human-interaction claims in this domain, the microwave auditory effect is the most experimentally grounded. Its accepted mechanism is thermoelastic: a short, high-peak-power microwave pulse deposits energy in head tissues quickly enough to cause minute but rapid thermal expansion. That sudden expansion launches an acoustic pressure wave that propagates through cranial structures to the cochlea, where it is processed as sound. The effect is therefore not a direct “RF decoding by the brain” phenomenon but a conversion from electromagnetic pulse energy to mechanical pressure energy followed by normal auditory transduction.
The pressure transient can be expressed conceptually as proportional to the thermal expansion response:
\[ p \propto \beta K \Delta T \]
where \(eta\) is the volumetric thermal expansion coefficient, \(K\) is an effective bulk modulus term, and \(\Delta T\) is the rapid local temperature rise. The critical feature is not bulk heating but fast deposition. Slow-rise or continuous-wave exposure does not produce the same auditory percept because the required stress transient is absent or strongly attenuated.
This explains several historical findings: pulse width matters; rise time matters; peak power matters more than average power for perception threshold; and the percept is often described as a click, buzz, chirp, or knock localized within or behind the head. Animal and human work further supports the cochlear pathway through studies of cochlear microphonics, auditory nerve response, and lesion or ablation paradigms affecting downstream auditory nuclei. In mechanistic terms, the microwave auditory effect is a special case of pulsed energy transduction into a biomechanical wave.
5.1 Why the Effect Does Not Equal Semantic “Voice-to-Skull” at Scale
A common interpretive leap is to assume that because pulsed microwave energy can generate simple auditory percepts, it can therefore project arbitrary, intelligible, high-fidelity speech into a subject at range under operational conditions. That conclusion does not follow automatically. Speech perception requires stable temporal patterning, sufficient bandwidth, repeatability across anatomy, controlled exposure geometry, and predictable psychoacoustic decoding. Some historical reports and demonstrations suggest limited communication-like percepts may be possible under highly constrained conditions, but open evidence for robust, field-tolerant, long-range semantic projection into uninstrumented subjects remains weak. The engineering barriers are substantial: pulse control, safety margin, environmental propagation, inter-subject variability, and the difficulty of generating a percept that is both intelligible and covert.
5.2 Human-Targeting Implications
The principal concern is less science-fiction telepathy than the possibility of covert sensory intrusion, startle induction, stress amplification, and confusion in environments where attribution is poor. A subject who experiences an internally localized click, buzz, or patterned percept may reasonably interpret it as invasive communication, especially when combined with prior anxiety, surveillance suspicion, or contextual suggestibility. This has operational implications for detention settings, intelligence environments, diplomacy, and public disorder situations. It also has medical implications because subjective certainty of being “targeted” can persist even when the actual mechanism was incidental exposure, a non-directed environmental source, or a different medical condition entirely.
5.3 Incubation Observations
In incubation testing and research, the following has been observed in a not-nominal manner: subjects can over-ascribe intention and semantic content to low-information internalized percepts, particularly when exposure uncertainty coincides with social isolation, prior threat expectation, sleep disturbance, or prolonged monitoring stress. This does not negate the reality of microwave auditory coupling. It indicates that any operational or clinical investigation must account for the interaction between physical stimulus generation and perceptual interpretation.
6. Neurotechnology, Remote Neural Monitoring, and “Synthetic Telepathy” Claims
The phrase “synthetic telepathy” aggregates several very different concepts: implanted neural interfaces that decode motor or speech intent; non-invasive electrophysiology such as EEG or MEG; non-contact remote sensing of gross physiology; behaviorally informed inference engines that predict preference or intent from multimodal data; and claims of direct remote access to semantic thought in an uninstrumented brain. Only some of these are real in an engineering sense. Implanted or close-coupled BCIs can decode constrained intent classes, especially in laboratory or clinical settings. Scalp electrophysiology can support coarse classification with low signal-to-noise ratio and limited bandwidth. RF and optical remote sensing can detect respiration, heart rate, motion, and in some settings subtle biomechanical correlates. Multimodal machine learning can infer affect, attention, and probable choices from behavior. None of this equals unconstrained remote reading of internal thought content at distance without contact, calibration, or instrumentation.
The limiting factor is information theory as much as electromagnetics. Neural signals are weak, spatially mixed, dynamically non-stationary, and buried within biological and environmental noise. Even where brain states correlate with measurable external features, the inverse problem is underdetermined. A useful shorthand is that the open-state-of-the-art supports better inference about what a person is doing, seeing, or preparing to say in constrained settings than about what a person is privately thinking in general. This gap is non-trivial and should not be erased rhetorically.
6.1 What Is Physically Plausible
Implanted and contact-based BCIs with task-specific decoding.
Short-range or instrument-assisted remote physiological monitoring.
Indirect inference from gaze, movement, speech residue, device metadata, and behavioral exhaust.
Selective sensory stimulation through acoustic, optical, electrical, magnetic, or electromagnetic interfaces under controlled conditions.
Closed-loop human-machine systems in which machine prediction can feel telepathic to the user because the latency of inference is very low.
6.2 What Remains Unsupported
Reliable long-range semantic thought extraction from an uninstrumented person in arbitrary environments.
Remote writing of detailed beliefs, memories, or actions into a healthy subject without a high-bandwidth access pathway.
General-purpose “mind control” by weak ambient RF alone, absent a demonstrated coupling mechanism, calibrated access path, and reproducible behavioral endpoint.
6.3 Why Such Claims Persist
These claims persist because real component technologies exist on both sides of the gap. Brain-computer interfaces are real. Pattern recognition is real. Covert surveillance is real. Directed sensory stimulation is real. The microwave auditory effect is real. Neuromodulation is real. When these facts are combined socially rather than technically, the result is a persuasive but invalid syllogism: if each component is individually real, the fully integrated extraordinary claim must already exist. In engineering terms, however, the integration burden is the capability. That burden remains the decisive barrier.
6.4 Incubation Observations
In incubation testing and research, the following has been observed in a not-nominal manner: hybrid systems that fuse predictive analytics, persistent surveillance, environmental sensing, and occasional targeted sensory intrusion can create the user-level appearance of telepathic awareness without requiring literal remote readout of cognition. This is strategically important because the sociotechnical effect - felt loss of cognitive privacy - may emerge before any true remote semantic decoder exists.
7. Countermeasure and Protective Architecture
Countermeasure thinking must be split into electronic protection, human protection, medical response, and forensic attribution. Electronics protection relies on shielding integrity, grounding, filtering, transient suppression, cable discipline, aperture control, error correction, watchdog recovery, and architectural redundancy. Human protection relies on exposure limitation, stand-off geometry, shielding design appropriate to band, situational monitoring, and rapid source isolation. Medical response relies on disciplined triage rather than assumption. Attribution requires synchronized instrumentation, spectrum logging, environmental baselining, and post-event reconstruction.
7.1 Electronic System Hardening
Control front-door susceptibility through filtering, limiter design, sacrificial front ends, and antenna-path protection.
Reduce back-door ingress through seam treatment, cable shield termination discipline, bonding, gasket integrity, and enclosure continuity.
Use fault-tolerant software and graceful degradation so that upset does not automatically become mission kill.
Segment critical functions and isolate safety systems from general communication and maintenance buses.
Validate hardening with transient testing across realistic pulse shapes rather than only steady-state EMC certification.
7.2 Human and Facility Protection
Establish instrumented electromagnetic baselines in sensitive facilities, embassies, laboratories, detention environments, and command centers.
Maintain implant and medical-device inventories so interference risk can be assessed quickly.
Use layered access control for emitters, including procurement controls on high-power pulse components and high-gain apertures.
Train incident responders to preserve scene data, spectrum records, CCTV, medical notes, and environmental metadata together.
Integrate legal and ethics oversight early; many technically feasible DE practices are strategically or legally self-defeating.
7.3 Countermeasure Limitations
No countermeasure is absolute. Shielding adds weight and maintenance burden. Stand-off is not always possible. Human symptom reports may precede instrumentation. Attribution can fail in congested RF environments. Conversely, overreaction can itself produce operational failure through false positives, fear cascades, and unnecessary shutdown of infrastructure. Mature policy therefore requires calibrated response thresholds rather than sensational framing.
8. Feasibility Assessment by Technology Family
8.1 Interpretive Notes
The table distinguishes between mechanism validation and missionized capability. For example, microwave auditory coupling is validated as a bioelectromagnetic phenomenon but scores much lower as a scalable communication or influence architecture. By contrast, remote physiological sensing is already mature because it solves a lower-information problem than cognition decoding. The term “hybrid synthetic-telepathy-like effect” denotes a sociotechnical construct in which surveillance, prediction, environmental intrusion, and selective stimulation jointly produce perceived cognitive penetration without requiring a literal remote mind-reading device.
9. Defence and Public-Sector Perspectives
From a defence engineering standpoint, the most credible directed-energy problem set is not a single “super-system,” but a spectrum of effects that partition into three operational classes: counter-electronics, surface-heating / denial, and sensor or subsystem degradation. High-power microwave systems are most relevant where mission kill can be achieved without structural kill; that is, where the target’s functional dependence on unshielded or lightly shielded electronics is greater than its dependence on mechanical robustness. This is why the most plausible near-term utility remains in counter-UAS, counter-swarm, seeker upset, communications degradation, and intermittent or permanent upset of exposed electronics, rather than generalized human neuromodulation at standoff. Official defence overviews likewise distinguish HEL, HPM/HPRF, and millimeter-wave systems by fundamentally different coupling mechanisms and therefore different tactical use-cases.
For defence planners, the central technical issue is coupling efficiency under real engagement conditions. For HPM, lethality against electronics depends on whether sufficient field energy couples through apertures, seams, antennas, cable harnesses, sensor windows, or poorly filtered power/data lines into sensitive components. That means platform vulnerability is governed not only by emitted power, but by target architecture: shielding continuity, grounding topology, front-end protection, timing susceptibility, software fault tolerance, and recovery logic. A robust avionics stack with filtered interfaces and fault-tolerant recovery may survive an exposure that would disable a commercial-grade autopilot or low-cost drone payload. This is why counter-electronics feasibility must be assessed as a system-of-systems interaction, not as a raw source-power question. The Navy’s HPM description explicitly frames the effect as coupling into electronics to cause disruption or damage rather than as generic “radiation impact,” and older defence analyses emphasized the need for effects manuals precisely because power claims alone are not operationally predictive.
Millimeter-wave personnel effects occupy a different technical category. Their primary physically grounded mechanism is shallow-depth absorption with rapid surface heating, producing pain and withdrawal at the skin rather than deep-organ or deep-brain coupling. In defence terms, that makes them relevant to crowd control, perimeter denial, checkpoint standoff, and escalation-of-force scenarios, but not to covert deep neurocognitive modulation in the sense often claimed in speculative literature. Their feasibility is constrained by beam control, atmospheric propagation, line-of-sight interruption, surface reflection/scattering, clothing effects, local burn risk, and rules of engagement. The defence relevance is therefore real but narrow: they are best understood as directed non-kinetic thermal compliance systems, not precision cognition-control systems.
Human-targeting implications require a more rigorous split between auditory transduction, thermal injury, vestibular/audiological symptom generation, and higher-order cognitive claims. The microwave auditory effect is scientifically real: pulsed RF can, under certain pulse conditions, generate a thermoelastic pressure transient in cranial tissues that reaches the cochlea through bone conduction. That supports the reality of internally perceived clicks, buzzes, or chirps under exposure conditions sufficient to launch such stress waves. It does not, by itself, validate broad claims of arbitrary long-range semantic insertion, remote thought readout, or unconstrained behavioral control. The National Research Council described the relevant threshold in pulsed-energy terms and linked the effect to thermoelastic generation; Lin’s more recent review is consistent with that mechanism and with the cochlear, rather than directly cortical, transduction pathway.
Accordingly, defence analysts should separate four threat tiers:
Tier 1: credible counter-electronics HPM effects against poorly hardened systems.
Tier 2: credible short-duration pain/compliance effects from millimeter-wave exposure in designed denial regimes.
Tier 3: credible but narrow microwave auditory transduction under appropriate pulsed exposure conditions.
Tier 4: presently unverified claims of broad remote neural interrogation or semantic cognition control in uninstrumented healthy subjects at useful stand-off ranges. Collapsing these tiers into one umbrella narrative causes two errors simultaneously: over-procurement against exotic mechanisms and under-preparation for mundane but real electromagnetic vulnerabilities. That distinction is also reflected in defence literature calling for better education to replace “death ray” mythology with differentiated understanding of laser, microwave, and millimeter-wave effects.
For the public sector, the problem is less battlefield lethality than infrastructure resilience, clinical triage, and evidentiary discipline. Hospitals, transport nodes, airports, embassies, prisons, and dense urban control systems increasingly rely on commercial electronics with uneven shielding and variable electromagnetic compatibility margins. Public-sector vulnerability therefore concentrates in sensor outages, access-control faults, communications disturbances, medical-device susceptibility, building-management disruptions, and incident-reporting confusion. Even when no directed-energy exposure is confirmed, institutions must manage the operational consequences of suspected exposure events: site survey, telemetry review, environmental reconstruction, occupational health screening, and preservation of digital evidence. The public-sector challenge is not merely “Is the claim true?” but “Can the institution perform attribution-grade triage without dismissing genuine injury, overlooking environmental hazards, or legitimizing unsupported causal inference?”
Biomedical risk analysis in the public-sector domain must therefore be structured as a differential diagnosis and exposure reconstruction problem. Acute symptom clusters potentially relevant to pulsed RF or mixed-environment exposure include auditory perceptions without external acoustic source, disequilibrium, headache, nausea, tinnitus, concentration difficulty, sleep disruption, anxiety amplification, and stress reactivity. None of these are specific markers. They overlap with concussion, vestibular migraine, toxic exposure, intense psychological stress, medication effects, mass psychogenic dynamics, and ordinary audiovestibular disease. The correct response is a tiered protocol: audiology, vestibular testing, neurological examination, thermal injury screening where appropriate, environmental RF survey, incident-time reconstruction, and forensic review of nearby emitters, comms systems, radar, jammers, microwave links, and building infrastructure. WHO materials and NRC reviews both underscore that symptom reporting and causal proof must be separated carefully; people may be genuinely symptomatic even when a specific EM exposure mechanism remains unproven.
Countermeasure planning should also diverge by sector. Defence countermeasures emphasize hardening and mission continuity: filtered interfaces, improved grounding, transient suppression, Faraday shielding at enclosure discontinuities, redundant navigation, software fault tolerance, fiber substitution where feasible, electromagnetic battle-damage assessment, and doctrine for rapid recovery after non-kinetic attack. Public-sector countermeasures emphasize exposure detection and consequence management: fixed and portable field monitors, logging of time-synchronized environmental data, shielding validation for critical rooms, procurement standards for EMC robustness, occupational training, and medico-legal reporting channels. In both sectors, the most important countermeasure is analytic discipline: claims should be decomposed into propagation, coupling, dosimetry, transduction, symptomatology, and attribution rather than discussed as a single opaque phenomenon.
Incubation Observations:
In incubation testing and research, the following has been observed in a not-nominal manner: low-cost autonomous platforms often present a far larger effective vulnerability surface than their physical size suggests, because antennas, GPS front ends, ESC controllers, camera buses, and power-management circuits create multiple coupling opportunities even when the airframe itself is electromagnetically small. Likewise, mixed-symptom human reports tend to become less ambiguous when synchronized environmental telemetry, audiology, and site reconstruction are collected within hours rather than days. These observations remain operationally suggestive rather than universally validated, but they are consistent with the broader engineering principle that attribution quality decays faster than exposure evidence in transient electromagnetic events
10. Priority Research and Development Directions
High-resolution dosimetry for pulsed, localized, and mixed-regime exposures, including realistic human anatomical models.
Validated exposure-to-symptom reconstruction frameworks spanning audiology, vestibular metrics, thermal imaging, and environmental telemetry.
HPM hardening for low-cost autonomous systems, where commercial off-the-shelf fragility remains an exploitable weakness.
Attribution-grade field instrumentation deployable in diplomatic, urban, and expeditionary settings.
Formal information-theoretic limits on remote neural inference from non-contact signals to prevent overclaiming and guide governance.
Legal and ethics frameworks for cognitive liberty, biometric sovereignty, and covert influence architectures.
Comparative evaluation of laser, HPM, and millimeter-wave systems under integrated size-weight-and-power constraints rather than laboratory peak claims.
The highest-value R&D priority is high-fidelity dosimetry for pulsed, localized, and mixed-regime exposures. Existing public discussion often treats “power,” “frequency,” and “range” as if they alone determine effect. In reality, biologically and electronically relevant interaction depends on incident waveform, pulse width, repetition frequency, duty cycle, polarization, near-field versus far-field geometry, anatomical loading, tissue dielectric heterogeneity, angle of incidence, and resonance/coupling conditions at the target. Research programs therefore need anatomically realistic computational phantoms, broadband dielectric property libraries, and validated solvers that can map deposited energy into temperature rise, thermoelastic stress, and resulting acoustic or injury-relevant metrics. The NRC’s earlier treatment of pulsed thresholds and later mechanistic modeling work both point to the same conclusion: average exposure metrics are inadequate where brief, high-peak pulses dominate the interaction physics.
A second priority is exposure-to-effect reconstruction, especially for mixed audiovestibular presentations. The engineering gap is not merely whether a mechanism exists, but whether a given field exposure can be reconstructed backward from a person, place, and time into a credible waveform-and-dose estimate. That requires synchronized instrumentation across RF spectrum logging, acoustic sensing, thermal imaging, device telemetry, inertial measurements, and medical evaluation. Without that stack, investigations remain trapped between two weak positions: uncritical acceptance of unsupported narratives or blanket dismissal of anomalous symptoms. A mature framework would treat every incident as a Bayesian fusion problem combining environmental priors, shielding maps, plausible emitters, observed symptom onset, and mechanistic constraints.
A third R&D line is electromagnetic hardening of low-cost autonomous systems. Current counter-UAS relevance arises less from exquisite weapons engineering than from the extraordinary fragility of commercial and improvised electronics under upset, latch-up, front-end overload, or firmware instability. Research should focus on what hardening measures yield the greatest survivability per unit mass and cost: surge arrestors, filter topology, enclosure continuity, cable routing, optical isolation, redundant inertial estimation, graceful degradation logic, and rapid reboot architectures. This is strategically important because low-end autonomous systems are proliferating much faster than military-grade protection standards. The technical objective is not invulnerability but forcing the attacker into dramatically higher field strengths, closer ranges, or longer dwell times.
A fourth priority is attribution-grade field instrumentation. Most institutions today can measure broadband RF presence; very few can capture the transient pulse structure, spatial distribution, and timing precision needed to discriminate innocuous emitters from potentially relevant events. Research should target compact sensor packages capable of time-synchronized capture of pulsed RF, mm-wave, acoustic transients, environmental conditions, and device failures across multiple nodes. The goal is not merely detection, but forensic reconstruction: angle-of-arrival estimation, time-difference-of-arrival localization, event correlation with infrastructure logs, and preservation of evidentiary integrity. Defence literature has repeatedly emphasized the lack of authoritative effects and intelligence baselines for directed-energy assessment; instrumentation is the substrate on which those baselines must be built.
A fifth research line is formal limits on remote neural inference and remote influence claims. This is the area most vulnerable to conceptual inflation. Any non-contact neural inference proposition must satisfy signal-to-noise, bandwidth, inverse-problem, and attenuation constraints. Neural sources are weak, distributed, nonstationary, and heavily masked by tissue, motion, and environmental clutter. Even contact or near-contact brain-computer interfaces struggle with stable decoding without controlled sensors and training. Therefore, research should explicitly quantify what is and is not inferable at range under realistic conditions, using information theory, biophysics, and experimental validation. This is not only a scientific need but a governance need: without hard upper bounds, policy discussions drift toward narratives unconstrained by measurement physics.
A sixth priority is human-effects work that bridges mechanism, medicine, and policy. The microwave auditory effect is now mechanistically well bounded compared with broader claims, but clinically useful translation remains incomplete. Research should determine which combinations of pulse structure, energy deposition, and head geometry most strongly predict perception threshold, discomfort threshold, vestibular spillover, and tissue risk. Parallel work is needed on biomarkers that can distinguish thermal, acoustic, stress-mediated, and unrelated symptom pathways. Importantly, this program should be designed with strict ethics and exposure controls; the defence case for understanding effects on personnel is real, but so is the need to avoid speculative extrapolation from limited phenomena. The need for more credible human-effects data was already highlighted in earlier defence review work.
A seventh priority is integrated size-weight-and-power (SWaP) analysis across directed-energy families. Laboratory peak performance often obscures the real deployment constraint, which is the full chain from power generation and conditioning to thermal rejection, beam control, duty cycle, tracking, safety envelope, and logistics. HEL, HPM, and mm-wave systems should therefore be compared using mission-level SWaP efficiency, atmospheric sensitivity, recharge burden, maintenance complexity, and achievable dwell-time under field conditions - not simply source output. The Australian defence overview and GAO’s technology spotlight both reinforce that these technologies differ sharply in beam geometry, propagation, and effect mechanisms; comparative R&D must therefore be framed at the platform-integration level.
An eighth priority is legal-engineering research for cognitive liberty and biometric sovereignty. The technical community often treats this as a policy afterthought, but it is in fact a design requirement. Systems capable of covert sensing, affective inference, or non-kinetic influence generate dual-use risks long before they become battlefield assets. Research programs should therefore embed auditability, exposure logging, independent testing, red-team review, and human-subject safeguards at the architecture level. The more ambiguous a technology’s physiological effect profile, the higher the governance burden should be. That principle is especially important in public-facing environments where fear, rumor, and real surveillance capability can become mutually reinforcing.
Incubation Observations:
In incubation testing and research, the following has been observed in a not-nominal manner: the most useful advances are unlikely to come from a single breakthrough emitter, but from convergence among pulsed-power electronics, better beam control, hardened targets, synchronized sensing, and machine-assisted incident reconstruction. In other words, capability growth appears to be architecture-driven rather than miracle-physics-driven. This favors programs that fund measurement stacks, modeling validation, and cross-domain human-effects research over programs centered only on raw source output claims.
11. Neutral Technical Synthesis
The technical record supports a differentiated conclusion. Directed-energy effects are real, but they are regime-specific and mechanism-bound. High-power microwave effects against electronics are credible where field energy can couple into vulnerable subsystems. Millimeter-wave systems are credible for shallow heating and pain-compliance under controlled exposure conditions. The microwave auditory effect is also scientifically real, with the best-supported mechanism being microwave absorption followed by rapid thermoelastic expansion, intracranial pressure-wave launch, and cochlear activation via bone conduction rather than direct semantic stimulation of the cortex. These are not fringe physical effects; they are bounded interaction phenomena with experimentally and analytically supported mechanisms.
What remains unsupported in the open technical record is the stronger cluster of claims often layered on top of those effects: generalized long-range “voice-to-skull” communication with robust semantic fidelity in ordinary environments, routine remote extraction of thought content from healthy uninstrumented subjects at distance, or broad-spectrum mind control through ambient RF exposure. The existence of a real auditory transduction phenomenon does not erase the separate requirements for source localization, signal bandwidth, modulation fidelity, transmission loss, anatomical variability, competing noise, perceptual decoding, and reliable behavioral control. Those remain major scientific and engineering barriers. Put plainly: a true lower-order effect does not validate every higher-order narrative attached to it.
At the same time, a neutral synthesis should avoid the opposite error of dismissiveness. Real institutions now operate in environments where advanced emitters, dense RF infrastructure, autonomous systems, high-dependence electronics, surveillance tools, and public anxiety coexist. That means future incidents may combine three layers at once: a genuine electromagnetic interaction, incomplete evidence, and psychologically amplified interpretation. The correct technical posture is therefore neither credulous nor reflexively skeptical. It is forensic, model-based, and mechanism constrained. Claims should be tested against propagation physics, dosimetry, transduction theory, hardware coupling paths, clinical findings, and replicable instrumentation.
From a defence perspective, the most mature and consequential path is continued growth in non-kinetic counter-electronics capability, especially against low-cost autonomous and electronically dense targets. From a public-sector perspective, the priority is not exotic neurowarfare rhetoric but preparedness: resilient infrastructure, evidence-preserving incident response, medically competent triage, and standards for evaluating unusual exposure claims. In both domains, technical language matters. When unlike mechanisms are collapsed into a single narrative, analysis degrades and resources misallocate. When mechanisms are separated cleanly, the result is a more credible map of what is feasible now, what is plausible with further engineering, and what remains unsubstantiated.
The most defensible synthesis, therefore, is this: directed electromagnetic interaction with electronics and, in narrower regimes, with human sensory systems is a real technical domain; broad claims of remote cognition access or unconstrained behavioral domination remain unverified in open evidence and should not be treated as established capability. The strategic danger lies in both directions - underestimating real electromagnetic vulnerabilities while overestimating speculative neurocognitive capabilities. A serious technical program should do neither. It should build better measurements, better models, better medical protocols, and better governance.
Incubation Observations:
In incubation testing and research, the following has been observed in a not-nominal manner: the decision boundary between “credible but limited” and “operationally consequential” shifts rapidly when emitters, targets, analytics, and doctrine co-evolve together. For that reason, present-day skepticism toward the most expansive claims should not be mistaken for strategic complacency. The technically sound position is to keep the evidentiary bar high while assuming that convergent improvements in sensing, computation, pulsed-power management, and target exploitation will continue to compress the gap between laboratory effect and field utility in selected niches
Appendix A. Mechanism Notes and Equations
A1. Free-space power density and field relation: \[ S = \frac{E^2}{\eta_0}, \qquad \eta_0 \approx 377\,\Omega \]
A2. Approximate far-field power density from a transmitting aperture: \[ S(R) \approx \frac{P_t G}{4\pi R^2} \]
A3. Induced terminal voltage on an effective receiving structure: \[ V_{ind} \approx E_{inc} \, l_{eff} \, \Gamma(\theta,\phi,f) \]
A4. Specific absorption rate: \[ SAR = \frac{\sigma |E|^2}{\rho} \]
A5. First-order transient thermal rise: \[ \Delta T \approx \frac{Q}{\rho c_p} \], where: \(Q\) is deposited energy density and \(c_p\) is specific heat capacity.
A6. Thermoelastic pressure proportionality for microwave auditory transduction, \[ p \propto \beta K \Delta T \]
Appendix B. Biomedical Triage Outline for Suspected Directed-Energy Exposure
Immediate history: time, place, symptom onset, perceived auditory/thermal/vestibular events, device environment, witnesses.
Environmental reconstruction: emitter inventory, nearby radars/communications systems, HVAC, industrial RF, access logs, and surveillance records.
Medical screening: burns, ocular symptoms, tympanic findings, audiology, vestibular exam, neurologic screen, medication review, toxicology where indicated.
Instrumentation: personal devices, implant interrogation where appropriate, spectrum records, facility EMC logs, thermal traces, CCTV timing alignment.
Differential diagnosis: migraine, infection, toxin, TBI, sleep deprivation, functional symptoms, panic, acoustic insult, vestibular disease.
Follow-up: neurocognitive baseline, symptom diary, repeat audiovestibular testing, mental health support without prejudgment.
Appendix C. References (Pre-2011)
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[3] J. C. Lin, Microwave Auditory Effects and Applications. Springfield, IL: Charles C Thomas, 1978.
[4] C. K. Chou, A. W. Guy, R. Galambos, and R. Lovely, “Cochlear microphonics generated by microwave pulses,” Journal of Microwave Power, vol. 10, pp. 361–367, 1975.
[5] E. M. Taylor and B. T. Ashleman, “Analysis of central nervous involvement in the microwave auditory effect,” Brain Research, vol. 74, pp. 201–208, 1974.
[6] R. M. Lebovitz and R. L. Seaman, “Microwave hearing: the response of single auditory neurons in the cat to pulsed microwave radiation,” Radio Science, vol. 12, no. 6S, pp. 229–236, 1977.
[7] K. R. Foster and H. P. Schwan, “Dielectric properties of tissues and biological materials: a critical review,” Critical Reviews in Biomedical Engineering, vol. 17, no. 1, pp. 25–104, 1989.
[8] International Commission on Non-Ionizing Radiation Protection (ICNIRP), “Guidelines for limiting exposure to time-varying electric, magnetic, and electromagnetic fields (up to 300 GHz),” Health Physics, vol. 74, no. 4, pp. 494–522, 1998.
[9] Institute of Electrical and Electronics Engineers, IEEE Std C95.1-2005, Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz, 2005.
[10] J. A. D’Andrea, M. C. Ziskin, R. E. Adair, and D. M. Cassady, “Radio frequency electromagnetic fields: mild hyperthermia and safety standards,” Progress in Brain Research, vol. 162, pp. 107–135, 2007.
[11] J. M. Osepchuk and R. C. Petersen, “Historical review of RF exposure standards and the International Committee on Electromagnetic Safety (ICES),” Bioelectromagnetics, Supplement 6, pp. S7–S16, 2003.
[12] G. V. Borg, “Psychophysical bases of perceived exertion,” Medicine and Science in Sports and Exercise, vol. 14, no. 5, pp. 377–381, 1982.
