InThe Quantastic JournalbyMarco Capriz·May 12Ghost Murmur and the Quantum Hype MachineMagnetometers can measure astonishingly weak fields and even support navigation when GPS fails, but a 40-mile heartbeat detector is another…A response icon9A response icon9
Brad Roth·May 1Oh My! I Was WrongRecently, there has been a brouhaha about “Ghost Murmur,” a proposed way to detect the magnetic field of a human heart from miles away. I…
Brad Roth·Apr 24Bob Park’s What’s New: April 24, 2026No, Bob Park — the physicist who wrote the What’s New newsletter for years — did not write this. Instead, I am imagining what Park would…
