› added 7 years ago

510

TIL that banks use explosive devices hidden in money that can be remotely triggered to stop bank robbers

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5VWNP TIL despite their rivalry, Tesla & Edison worked together. In 1884 they clashed over direct current (DC) vs. alternating current (AC). Edison promoted DC, while Tesla AC, which became the standard. Edison offered Tesla $50,000 to improve his DC generators but reneged on the deal.
wK5J TIL that the microwave oven was discovered by accident by an engineer working on radar technology during WWII. While he was standing in front of an active radar in a laboratory, the candybar in his pocket started to melt. He then tried to pop popcorn kernels with the radar to prove his idea.
epkJ6 TIL that some bra’s can also be used as a gas mask. Kinda funny, kinda genius.
d94B TIL that an elephant in India, while helping villagers lift logs, refused to lower a log into a certain hole because a dog was sleeping in it. Only after the dog was chased away would the elephant lower the log into the hole.
8174 TIL that during the Rwanda Genocide, Hotel Manager Paul Rusesabagina hid 1,268 refugees in his hotel, none of which were hurt or killed.