Researchers at TU Wien have discovered a quantum system where energy and mass move with perfect efficiency. In an ultracold ...

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Mrs Roberts: What do you think you're made of? Mr Spellman: Big question. Grit, determination, hard-working, handsome, charming, funny. Mrs Roberts: Well, I guess. But you're actually made of atoms.

The tiny atom, the basic building block of everything, is itself almost nothing, but atoms form a crossroads where science ...