Tiny magnets on a diamond string dance to the music of the liquid—their movements reveal all the secrets of its composition. Soon, water and medicine quality will be checked this way.
🎯 Diamond defects (NV centers) are the most sensitive magnetometers in the world: they can detect the magnetic field of a single electron.
🎬 The technology brings us closer to the tricorder from Star Trek—a pocket scanner that instantly analyzes the composition of any substance.