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TIL the sci-fi technology of the "mass driver" or electromagnetic catapult is real. The first prototype was built in 1977 for only $2,000, and the device was theorized by a sci-fi writer in 1937.

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dDMd8 TIL that a man blew a hole in his colon by attempting to treat severe constipation with a toilet plunger.
BrepL TIL Earlier cuts of the Super Mario Brothers Movie were way better
N7lPE TIL that a permit was denied for the production crew of "The Sopranos" to film the episode "Pine Barrens" at South Mountain Reservation by Essex County, New Jersey Executive James Treffinger, due to the show depicting Italians as corrupt, Treffinger was later convicted and imprisoned for corruption
5nJP TIL that of the six men pictured in the iconic “Raising the Flag on Iwo Jima” photograph, three died during the following battle
Zgb4 TIL microwave ovens have clearly delineated “hot” and “cold” spots, and you can easily map out the hotspots of any given oven using a simple informal experiment.