This short light painting clip called Light Warfare has gone nuclear, garnering 1 million views in just a few days. Why? For me, it's the light bazooka explosion 48 seconds in, along with this amusing making of video:

(Check this second clip at about 1:15 to enjoy the artistry at work—what looks like a big game of flashlight tag.)

Picasso would be proud. [LaughingSquid via nerdcore]