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April 20, 2018 01:00 pm PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/l3pg-F_Q0HQ/watch-how-smartphones-plus-rf.html
Watch how smartphones plus RF imaging can detect motion through concrete and stone
The Action Lab set up an interesting proof of concept using a smartphone plus a cheap radio frequency 3D imaging doo-dad to sense motion in another room. (more…)
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/l3pg-F_Q0HQ/watch-how-smartphones-plus-rf.html
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