RC Test Fight on MSN

DIY Laser Mowing: Cutting the Grass in a New Way

Watch an unbelievable DIY experiment: mowing a lawn using a laser! See how it works, the results, and the science behind it. ...
Interesting Engineering on MSN

Tiny chip unlocks 'rainbow laser' that could supercharge modern computing

Columbia University engineers have created a chip that transforms a single high-power laser into dozens of stable light ...