自家発電型の超小型センサーチップ

下記の記事が出ている。

　Tiny chip that powers itself from radio waves
　BBC: 8 December, 2015
　http://www.bbc.com/news/technology-35038430

　Remarkable new sensor chip pulls power out of the air so it never needs to be charged
　FOX News: December 8, 2015
　http://www.foxnews.com/tech/2015/12/08/remarkable-new-sensor-chip-pulls-power-out-air-so-it-never-needs-to-be-charged.html