Don't You Point That Thing At Me!: DIY Pulse Laser Can Burn Through Plastic, Metal

This is a homemade pulse laser gun built by Patrick Priebe. The thing packs a 1-kW burst that can burn through plastic, foam and thin metals.

Read more: http://www.slashgear.com/geek-creates-diy-pulse-laser-pistol-that-can-burn-plastic-and-melt-foam-09138785/