THIS DAY IN SCIENCE: Unit of Length - Metre New Definition in 1983

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What is dust made of? – TED Ed by Michael Marder

Less than a tenth the size of an ant, a dust mite’s whole world is contained in the dusty film under a bed or in a forgotten corner. This realm is right under our noses, but from our perspective, the tiny specks of brilliant color blend together into a nondescript grey. What are these colorful microscopic particles? Michael Marder explores the science of dust.

Lesson by Michael Marder, animation by Mette Ilene Holmriis.

 

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