Researchers have constructed a 'meta-mirror' device capable of perfectly reflecting sound waves in any direction. The proof-of-principle demonstration is analogous to looking directly into a mirror ...

When Apple first introduced Keynote for the iPad, I thought it was a neat proof of concept. But I had a hard time getting around the disconnect of using a handheld tablet as a presentation device, ...

There’s something undeniably mysterious about mirrors. They hang quietly on our walls, reflecting our faces and rooms, yet they have always been linked to far more than vanity. Across cultures and ...