Day 42: Helium

Clockwise from left: the obligatory helium balloon photo (from Pxhere), the less obligatory MRI machine (from Wikimedia Commons), helium as it appears on the periodic table. Helium is a rather special element, having been the first to be discovered off the Earth before it was found on the Earth. In the mid-19th century, a FrenchContinue reading “Day 42: Helium”

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