Towards the absolute zero
- 1 December 1979
- journal article
- other
- Published by AIP Publishing in Physics Today
- Vol. 32 (12) , 32-41
- https://doi.org/10.1063/1.2995313
Abstract
Low‐temperature physicists are constantly trying to extend the temperature range accessible to experimental investigations closer and closer to the absolute zero. While the third law of thermodynamics prevents their ever reaching 0 K, they have long since surpassed Nature herself. The temperature of the cosmic background radiation is 3 K; below 3 K, we are creating new physics, hitherto unknown to the universe. And this has been done without any large expenditures of manpower or equipment—the most sophisticated weapons at the cold frontier of physics are inexpensive indeed.Keywords
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