Posted on my Facebook group that it's 40 below outside.

Some responded, is that Fahrenheit or Centigrade?

Hypercool

Did you know that if you freeze someone at -273.15 degrees Centigrade, they will be 0K

This joke may contain profanity. 🤔

Hmmm Metric or Imperial?

"In metric, one milliliter of water occupies one cubic centimeter, weighs one gram, and requires one calorie of energy to heat up by one degree centigrade—which is 1 percent of the difference between its freezing point and its boiling point. An amount of hydrogen weighing the same amount has exactly...

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