Core77

Laser Flashlight Hack! - For more funny movies, click here

We're not sure what's funnier, this guy's device, or his perfectly enthusiastic voice-over voice. It's like the Moviefone guy meets Macgyver.

As for the device, he pulled a laser out of a DVD burner, installed it in a Mag-lite, and he can now set fire to things or destroy balloons at will. Darn if it doesn't look dangerous--this is the type of DIY video that has personal injury lawyers perking up their ears.