Thermodynamics & Heat

Physics in Action


Passively Cool: A Departure from A/C
A potential low-energy alternative to air conditioning.

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Balloon Acceleration in a Car
What happens to a helium balloon in an accelerating car?

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People in Physics


Lene Hau
In 1999, after years of practice, Lene Hau learned how to bicycle at the speed of light.

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Physics Buzz

Hot and Cold, All at Once
New research slated for publication in Physical Review B shows that “cold spots” can be localized within a molecule, leaving single atoms with temperatures near absolute zero, while other parts of the molecule rest around a comparatively balmy 100 Kelvin...

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Writer's Gallery


Insatiable Birdie
Can a book inspire you as a child to grow up and solve one of the most famous mysteries of mathematics? Come take a peek inside Physics for Entertainment to find out. Originally published over seventy years ago in Russia, this classic book answers many fascinating questions that one might not even think are physics questions. “Can an invisible man see? Why are all cats grey when the candles are out?” The excerpt below explains the habits or our beloved drinking bird toy.

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