The Archimedes screw, an ancient Greek invention for lifting water. Learn about its origins, how it works, and its modern ...

U.S. solar developer PureSky Energy works within the community solar market and operates its projects for their entire lifetime, prioritizing ...

Commentary: Apple is rumored to be working on its first folding iPhone. I have some words of warning before it launches.

How many robots does it take to screw in a lightbulb? A new hybrid robot combines flexibility and strength to complete this ...