Chin strap makes electricity from chewing #1 Post by anvildoc » Wed, Sep 17, 2014, 5:44 PM UTC Chin strap makes electricity from chewingbbc.com
Re: Chin strap makes electricity from chewing #2 Post by anvildoc » Wed, Sep 17, 2014, 6:26 PM UTC Saw this and thought "you can charge your phone over lunch"