Image via Solarbotics

A greener way to enjoy a crafty and entertaining weekend revolving around electronics is to make your own solar robots to compete in competitions, like tiny offspring of BattleBots. These cool, tiny, spinning robots are fast and easy to whip up, and you can challenge your friends to duals. Check out a video of two “BEAM Solar Symets” battling it out. …Read the full story on TreeHugger