
A 15-year-old in British Columbia built a flashlight powered entirely by the temperature difference between a human palm and the surrounding air — four Peltier tiles around a hollow aluminum tube generated enough electricity to keep an LED lit for more than 20 minutes while she held it. – ScienceBlog.com
by ireallytrulydontcare
3 Comments
She built this in 2013?
>*This is not the flashlight described in the article; the image is for illustrative purposes only.*
Some real top tier investigative journalism here.
I’d hold it with my butt cheeks and laugh. I got light coming out of my ass.