Alpha Centauri sits more than four light-years away, close enough to fascinate generations of dreamers and far enough to make ...

At the interface between two facets of an artificial crystal, sound waves can be transmitted in the opposite direction to that expected, and undergo no reflection. Such wave behaviour could have many ...

I test a series of light experiments to explore reflection, refraction, and optical illusions, demonstrating how light behaves in surprising and educational ways. MS NOW host details unexpected phone ...