Morning Overview on MSN
Sound waves crack open quantum secrets
Sound is usually treated as the most familiar of physical phenomena, the background noise of daily life rather than a ...
The acoustic properties of an ultracold fermion gas have been measured either side of the superfluid transition temperature in an experiment that has been described as “near perfect” and “beautiful”.
Morning Overview on MSN
Scientists confirm 'second sound' is real, and it's wild
Heat is not supposed to behave like this. In everyday life, warmth seeps and diffuses, spreading from hot to cold in a slow, smearing process that never looks anything like a crisp sound wave. Yet ...
One of the most fundamental interactions in physics is that of electrons and light. In an experiment, scientists have now managed to observe what is known as the Kapitza-Dirac effect for the first ...
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