If you watch the video above, you can see Ann Makosinski, who is only 15 years old and has created a revolutionary flashlight. It is a flashlight that is powered solely by the power of the human hand. Apparently, Ann realized that human body heat is essentially an untapped energy resource. I mean it took the machines in The Matrix at least until 2099 to figure that out. … [Read more...] about This flashlight, which runs on body heat, was created by a teenager