Medical Physics2026-01-261 minarXiv:2601.18843expressDiamond sensor picks up the heart's magnetic signalsA tiny defect in diamond is like a microscopic ear, able to pick up the magnetic 'breath' of the heart. Such sensors work at room temperature and are no bigger than a grain of sand.Muhib Omar·Magnus Benke·Shaowen Zhang·Jixing Zhang·Michael Kuebler·Pouya Sharbati·Ara Rahimpour·Arno Gueck·Maryna Kapitonova·Devyani Kadam·Carlos Rene Izquierdo Geiser·Jens Haller·Arno Trautmann·Katharina Jag-Lauber·Robert Roelver·Thanh-Duc Nguyen·Leonardo Gizzi·Michelle Schweizer·Mena Abdelsayed·Ingo Wickenbrock +10Wolfgang PauliNMR spectroscopycarbon👍👎☆SimplePopularAdvanced