"Ghost Murmur, a device that uses vaguely described long-range quantum magnetometry to find signals of human heartbeats, has been reported to isolate each heartbeat from noisy data. An unnamed source described it as akin to hearing a voice in a stadium, but the stadium is a thousand square miles of desert."
"Quantum magnetometers are real and can detect heart arrhythmias by measuring magnetic fields produced by the cardiac muscle. However, the heart's magnetic field is weak, making it barely detectable at the surface of the chest and dramatically weaker at greater distances."
"The claims surrounding Ghost Murmur, as publicly described, find no support in decades of peer-reviewed physics. Experts emphasize that while the technology sounds impressive, it does not hold up under scientific scrutiny."
President Trump and CIA Director Ratcliffe mentioned a technology called Ghost Murmur, which allegedly uses quantum magnetometry to detect human heartbeats. Reports suggest it can isolate heartbeats over vast distances. However, scientists argue that the heart's magnetic field is too weak to be detected effectively at such ranges. Quantum magnetometers can detect heart arrhythmias but struggle with distance. The claims surrounding Ghost Murmur lack scientific backing, despite the real rescue mission involving multiple aircraft and a survival beacon.
Read at www.scientificamerican.com
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