<img src=”https://naked-science.ru/wp-content/uploads/2025/02/bird-wing-sky-flock-flying-formation-1200909-pxhere.com_.jpg” alt=”Animals are able to sense magnetic field at the quantum detection limit”/>Physicists have found that some animal receptors that respond to magnetic fields operate close to the quantum limit. According to the researchers, careful study of such receptors will help people create more compact magnetic field detectors.