<p>Ghost Murmur was described as a futuristic CIA tool that could detect a heartbeat from vast distances. Physicists say the public story clashes with the basic limits of magnetic sensing</p>
Quantum sensing utilizes quantum phenomena to measure physical quantities with high precision. This technology can enhance the sensitivity of sensors beyond classical limits, making it useful in various fields such as medical imaging, navigation, and environmental monitoring.
Magnetic field sensing involves detecting and measuring magnetic fields using various technologies, including magnetometers. These sensors are crucial in applications ranging from navigation to medical imaging.