In 2018 we have almost become jaded by levitating objects. You name it and there's probably a levitating iteration on the market: turntables, Bluetooth speakers, cameras, lightbulbs, clocks, and even ...

It's the sound of water droplets falling one after another, maybe from a leaky faucet or through a cracked ceiling. It's the kind of sound that can keep you up all night. University of Cambridge ...

This blue-glowing water is being spun around by nothing but sound waves. Reaching speeds up to 6,000 RPM, this centrifuge forms the basis for a new type of inexpensive, point-of-care biomedical test.