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photonic imaging device

US Navy Patent Provides Stealth Using Quantum Entanglement

The U.S. government is to patent a new quantum photonic imaging device that will detect anything underwater while providing unprecedented stealth for its submarines. Currently, submarines travelling through Arctic waters have to use gyroscopes and accelerometers to measure the motion and rotation of the vehicle in order to estimate the current position, orientation and velocity of another submarine – as GPS signals are unable to reach underwater.