This is pretty cool. The experiment was set up in 1944, and finally we can see the drop fall  for the first time on camera.

I do wish that they’d let it drop a bit further. It’s a bit of a short, wimpy fall. And let’s not forget this is nasty stuff. From the Material Safety Data Sheet:

R45: May cause cancer
R46: May cause heritable genetic damage
R60: May impair fertility
R61: May cause harm to the unborn child
R52/53: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic
environment


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