Both the flashlight, which won a prize at the Google Science Fair in 2013, and the headlamp are powered by devices called Peltier tiles. The tiles produce a small amount of electricity when heated on one side by the palm of your hand or your forehead and cooled on the other by air passing through an aluminum tube. cbc.ca/news/technology/ann-makosinski-s-new-invention-a-body-heat-powered-headlamp-1.2678576
Posted on: Wed, 18 Jun 2014 16:37:55 +0000