Study of 'Persistent Currents' Finally Verifies Theory

(PhysOrg.com) -- Approximately 20 years ago, scientists discovered that is is possible for an electric current to flow endlessly in a ring made of a normal metal. One might think that such an 'old' finding would be well understood ...

What coffee with cream can teach us about quantum physics

Add a dash of creamer to your morning coffee, and clouds of white liquid will swirl around your cup. But give it a few seconds, and those swirls will disappear, leaving you with an ordinary mug of brown liquid.

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