This time we chase a ridiculous curiosity - learning how to wash skyscraper windows so we can attempt the skinniest tower on Earth. After months of rejection, a friend’s “I know a guy” leads us to ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Tourists and workers alike jostling their way through New York’s ...

Ozmo, a system for washing windows, is safer and faster than humans, its company president says. By James Barron Good morning. It’s Friday. Today we’ll find out about a robot that washes windows.