Here’s A Tiny Particle That Spins Faster Than Anything That’s Ever Spun (Cool Weird Awesome 225)

Researchers at Purdue University have managed to spin a very tiny object at the ungodly rate of 300 billion revolutions per minute - and it's powered only by light. Plus: Google Maps allows users to rate and review rivers, lakes and anywhere else that people want to go. So what's the best-reviewed river Earth has to offer?