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Barometric light (wikipedia.org)
12 points by userbinator on Nov 3, 2018 | hide | past | favorite | 1 comment

We have a small sealed uranium glass tube with a drop of mercury in it at the Makerspace I run. It was Part of a donation of scientific equipment. If anyone is in Utah and wants to see this effect firsthand, head over to ProVolt on an open night (Tuesday or Thursday).

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