The CIA's new tech doesn't make sense

Item: The CIA's new tech doesn't make sense
Rating: 4
Author: PostSingularity Institute

by Veritasium

Formal & Physical Sciences Physics PHPhysics PHQQuantum physics (quantum mechanics and quantum field theory)

🎙 Veritasium 👥 21.1M 📅 May 3, 2026 ⏱ 21 min 👁 2.8M 📄 science communication 🧭 2026-08-03

Available in: English (current) Français

Keywords

Ghost MurmurNV centersmagnetocardiographyquantum sensingCIA

Summary

The video investigates the claim that the CIA used a device called ‘Ghost Murmur’ to detect a pilot’s heartbeat from kilometers away. It begins with a scenario of a downed pilot and the need for a rescue. The claim originated from a New York Post article, which mentioned quantum magnetometry using synthetic diamonds. The video explains the physics of magnetic fields generated by the heart, the history of magnetometers (from early coils to SQUIDs), and the development of nitrogen-vacancy (NV) centers in diamonds as sensitive magnetic field sensors. It details how NV centers work, using energy levels and electron spin, and how they can detect magnetic fields. The video interviews experts who express skepticism about the feasibility of detecting a heartbeat from such distances due to signal attenuation and environmental noise. It also discusses the possibility of the story being a cover for other technologies, like radio beacons, and draws parallels to historical disinformation (e.g., carrots and radar). The conclusion is that while NV magnetometers are real and sensitive, detecting a heartbeat from kilometers away is highly implausible with current technology. The video emphasizes the importance of critical thinking and media literacy.

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Critical Evaluation

The video is a rigorous examination of a sensational claim, blending physics education with investigative journalism. It effectively breaks down complex concepts like NV centers and magnetometry for a general audience without oversimplifying. The inclusion of expert interviews adds credibility, though the reliance on anonymous sources and the lack of direct access to classified information limits the conclusiveness. The argumentation is logical, systematically addressing each component of the claim: the heart’s magnetic field, the sensitivity of NV magnetometers, and the physical constraints of distance and noise. The video also contextualizes the story within media bias and disinformation, using the Ground News sponsorship to illustrate how coverage varies. However, the sponsorship segment is a minor distraction. The title is somewhat clickbait, but the content delivers a thorough debunking. Overall, the video is a valuable contribution to science communication, encouraging viewers to question extraordinary claims.

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Title / Content Match

The title is somewhat clickbait but accurately reflects the video's critical examination of the CIA's alleged technology.

Quality & Reliability

8/10

The video is well-researched, featuring interviews with experts in magnetometry and quantum sensing, and references peer-reviewed literature. It critically examines a sensational news claim, providing a balanced analysis. However, some information is based on anonymous sources and unverified claims, and the video includes a sponsored segment.

Key Moments

Markers derived by PSI from the transcript: the creator did not define chapters.

Cited Sources

Exclusive | 'Ghost Murmur' via the New York Post — Original article reporting the claim.
Exclusive | Trump confirms CIA 'Ghost Murmur' tool via the New York Post — Follow-up article confirming the claim.
Béchard, D. E. (2026). Scientists question CIA’s claim of long-range heartbeat detection. Scientific American. — Scientific American article questioning the claim.
Roth, B. J. (2023). Biomagnetism: The First Sixty Years. Sensors — Review of biomagnetism history.
Doherty, M. W. et al. (2013). The nitrogen-vacancy colour centre in diamond. Physics Reports. — Review of NV centers.
Arai, K. et al. (2022). Millimetre-scale magnetocardiography of living rats with thoracotomy. Communications Physics. — Study on magnetocardiography in rats.
The Recruiter (book by Douglas London) — Book by retired CIA officer interviewed.
Ground News — Sponsor and media bias analysis tool.

Concurring Sources

Béchard, D. E. (2026). Scientists question CIA’s claim of long-range heartbeat detection. Scientific American. — Scientists express skepticism, aligning with the video's conclusion.
Roth, B. J. (2023). Biomagnetism: The First Sixty Years. Sensors — Historical context on biomagnetism limitations.

Dissenting Sources

Exclusive | 'Ghost Murmur' via the New York Post — The original article claims the technology is real and effective, contradicting the video's skepticism.

External References

Contribution & Novelties

The video provides a clear, accessible explanation of NV center magnetometry and its potential applications, while critically evaluating a sensational claim. It highlights the gap between theoretical sensitivity and practical limitations.

Pour aller plus loin :

Nitrogen-vacancy center — Overview of NV centers and their properties.
Magnetocardiography — Technique for measuring heart’s magnetic field.
SQUID — Superconducting quantum interference device, a sensitive magnetometer.
Betteridge’s law of headlines — Adage that headlines ending in a question mark can be answered ’no'.

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Radar Profile

The radar profile shows high scores in information quantity, quality, and reliability, with a slightly lower technical level due to the need for simplification. This indicates a well-balanced, informative video that is accessible to a broad audience.

Reliability 8/10

💬 The comments are largely positive, with many viewers appreciating the critical analysis and humor. Some express skepticism about the technology, while others note the clickbait title. Overall, the sentiment is favorable, with a few critical voices.