World's first battery free bluetooth chip pulls from the air (futurism.com) 3 points by avi990 7y ago ↗ HN
[–] karmakaze 7y ago ↗ A 'crystal radio' for a new generation.https://en.wikipedia.org/wiki/Crystal_radio
1 comment
[ 4.4 ms ] story [ 12.4 ms ] threadhttps://en.wikipedia.org/wiki/Crystal_radio