Lasers are great for reading data/music discs, burning things, and even sound, as this group of Japanese students demonstrate. In the video, you’ll see them conduct a variety of unusual experiments with nothing but laser pointers, paper, their hands, and a marker. Continue reading to watch.

Yes, if you’re demoing this remarkable laser/sound prototype that turns a laser pointer into…well…just watch the clip. It’s really fun.

[via Gizmodo]