Are you ready to play everybody’s not-so-favorite guilt game: what was I doing at that age? Ann Makosinski, a high school student from British Columbia, Canada, has created a simple LED torch powered by body heat. So instead of having to recharge it or swap in a fresh pair of AAs every so often, you literally just need to hold it in your hand for it to start glowing.
Read More:Â http://www.gizmodo.com.au/2013/06/15-year-old-invents-incredible-new-kind-of-torch/