Could you build an air-powered canon to launch a baseball faster than the speed of sound? Apparently, the answer is "yup." Check out this build from Smarter Every Day on YouTube. It's pretty awesome.

Scientists have discovered that under the right conditions, a gummy bear-like ball can roll down a vertical wall all by itself—upending a core assumption in physics. Reading time 2 minutes If you ...

Children were using robotic arms to lift small items and move them. They were flying and landing airplanes on flight simulators, making liquid tornadoes in plastic bottles, rolling balls of various ...