MIT’s rather fabulous Computer Science and Artificial Intelligence Laboratory ( CSAIL ), after using humble WiFi waves to sense movement behind a wall, has now improved its technology to the point that it can remotely — from behind a wall in another room — can detect heart rate and respiration. MIT has successfully used this technology to non-invasively check a sleeping baby’s breathing and pulse, and even to track the breathing of two adults simultaneously. Yes, there are videos of both feats embedded below. This time last year it was Wi-Vi — and now, with some further refinements, MIT is now calling it WiZ (which might be a play on “Wi-See,” but it isn’t clear). While Wi-Vi and other similar technologies could detect movement in general, WiZ can use radio waves to accurately (within a few centimeters) locate up to four people in a room. WiZ can also locate static people by detecting the motions caused by breathing — and yes, from these minute movements, they ca
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