From Veritasium.
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A huge thanks to Patrick Maletinsky at the University of Basel and Jan Jeske at the Fraunhofer Institute for their insights into NV magnetometry.
Likewise, thank you to Brad Roth at Oakland University, John Wikswo at Vanderbilt University, and Bob Fagaly at the IEEE for their input on the history and constraints of magnetometry.
Thank you to Douglas London, CIA Senior Operations Officer (Rtd), for his input on the story. His book, The Recruiter, can be found here – https://ve42.co/Recruiter
A big thanks to Herbert Lin at Stanford University and Emma Briant at the University of Notre Dame for their knowledge on deception and propaganda tactics.
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References:
Exclusive | ‘Ghost Murmur’ via the New York Post
Exclusive | Trump confirms CIA ‘Ghost Murmur’ tool via the New York Post
Béchard, D. E. (2026). Scientists question CIA’s claim of long-range heartbeat detection. Scientific American.
Roth, B. J. (2023). Biomagnetism: The First Sixty Years. Sensors
Doherty, M. W. et al. (2013). The nitrogen-vacancy colour centre in diamond. Physics Reports.
"Quantum Diamond Sensing: The Surprising Power of NV Centers | Ron Walsworth" by 632nm Podcast on YouTube
"Ronald Walsworth – “Quantum Diamond Sensors" by Stanford Physics on YouTube
Arai, K. et al. (2022). Millimetre-scale magnetocardiography of living rats with thoracotomy. Communications Physics.
Additional sources available here: Ghost Murmur Video – https://ve42.co/ReferencesGhost
Images & Video:
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Writer: Gregor Čavlović
Producer and Director: Gregor Čavlović
Presenter: Gregor Čavlović
Editors: Jack Saxon and James Stuart
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Animators: Emma Wright, Fabio Albertelli, and Domonkos Józsa
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