Water-cooled 72,000 lumen LED flashlight
by Cory Doctorow from on (#2HQ11)
https://www.youtube.com/watch?v=-vgNh3fLxJc
Last spring, Samm Sheperd created this amazing overclocked, water-cooled LED flashlight that pumps out 72,000 lumens, using about $700 worth of parts. (more")