Harness Unused WiFi Signals for Power with Metamaterials

I recently saw this article (http://tinyurl.com/ssrwifi) from a comment iBall made on FaceBook. First, this isn’t that new. It’s been worked on for about a decade now and founded/hypothesized back in 1968. And yeah, from 1968 to about 1999 most of the work was “theoretical.” What I am talking about is a material designed to[…]