Today's Memory

Hennie Kriel‘s Today’s Memory

Hennie Kriel‘s Today’s Memory

Hennie Kriel‘s Today’s Memory


Jean-Pierre Christin’s Centigrade temperature scale

Originally shared by Hennie Kriel

May 19, 1743: French physicist Jean-Pierre Christin developed the centigrade temperature scale. His proposal to reverse the Celsius thermometer scale (from water boiling at 0 degrees and ice melting at 100 degrees, to water boiling at 100 degrees and ice melting at 0 degrees) was widely accepted and is still in use today.

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