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TIL that the condor cluster is a U.S. army supercomputer made up of 1760 PlayStation 3s from 2010

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kOYp1 TIL: that the phrase ‘devil’s advocate’ comes from a medieval job title. The ‘advocatus diaboli’ was the guy tasked with coming up with counter arguments when a priest was nominated to be blessed or canonized.
1alO7 TIL A scientist embedded LEDs in a prop prosthetic arm to demonstrate an electric eel attack. Each flash in the video represents the firing of the nerves in a potential predator. In each of the volleys at 600 volts, there are 200 pulses per second, a very good rate for causing pain.
GAAK7 TIL That Heron of Alexandria created a mechanism that would automatically open the doors of a temple in the 1st-century BC
M7M9V TIL Temmler Werke (company that supplied Nazi meth) was still making Pervitin and selling it to the East German army until 1988.
0wO4L TIL that cockroaches represent rebirth and resistance as a spirit animal.