› added 1 year ago

99

TIL that the rectangular 9 volt battery, king of toy batteries, is actually made of 6 small cylindrical 1.5 volt batteries.

Read more brokensecrets.com

via reddit.com

kOM4e TIL Pilots have a better return for the cost of their education than doctors or lawyers
kOJbW TIL: When FDR died, Eleanor Roosevelt told Harry Truman that the president was dead. When he asked there was anything he could do for her, she replied, “Is there anything we can do for you? For you are the one in trouble now.”
rZ84 TIL that there is a medical tool that measures the volume of testicles.
9wDe7 Til the Warsaw Radio Mast was the world's tallest structure at 646.30 m (2,120 ft) from 1974 until its collapse on 8 August 1991. It was build to broadcast Communist propaganda around the world, including to the remotest areas such as Antarctica.
Zpeyp TIL of ray cat, a proposed kind of cat that would be genetically engineered to glow in the presence of nuclear radiation to act as a long-term nuclear warning. This is done by inventing traditions of folklore which spread the idea that people should flee when a cat changes color