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Thermodynamics entertainment for the day:

October 30th, 2001

Thermodynamics entertainment for the day:

  1. Start with an empty ceramic mug.
  2. Use the water valve on an espresso machine to fill it with about two ounces of boiling water. Swirl for 5-10 seconds. (This is ostensibly to flash-clean the inside of the mug.) Empty into sink.
  3. Fill mug with cold water from water cooler.
  4. Hold the mug in both your hands; over the course of about 20 seconds, the hot ceramic will be palpably overcome with cold.
It’s a unique sensation.

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