Intéressant
https://www.youtube.com/watch?v=B6sn2vRJXJ4
https://www.st-andrews.ac.uk/news/archive/2016/title,780887,en.php
http://sachi.cs.st-andrews.ac.uk/research/interaction/radarcat-exploits-googles-soli-radar-sensor-for-object-and-material-recognition/
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