A 'seating chart' for atoms helps locate their positions in materials

If you think of a single atom as a grain of sand, then a wavelength of visible light—which is a thousand times larger than ...

Exotic roto-crystals can break into individual fragments then reassemble themselves

It sounds bizarre, but they exist: crystals made of rotating objects. Physicists from Aachen, Düsseldorf, Mainz and Wayne State (Detroit, U.S.) have jointly studied these exotic objects and their ...