The Photonic Radar System can see things in high detail.
We use radar to spot aircraft and thunderstorms, but what if it could be used for smaller-scale things?
A team of researchers from the University of Sydney have figured out a way to collect radar data with resolutions of centimetres. They say their invention could (among other things) be used to monitor breathing and movement in hospitals, instead of uncomfortable physical straps or privacy-invading cameras.
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