› added 4 years ago

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TIL the US military has an Active Denial System aka Heat Ray used for crowd dispersal

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via reddit.com

6EMoY TIL that pregnancy tests actually existed 3,500 years in Ancient Egypt! It even predicted the gender! Women would urinate on two bags; one filled with wheat and the other barley. If they grew, it means they're pregnant! If the wheat grew faster it's a girl. If the barley did, then it's a boy.
kONXd TIL mail-order service Columbia House was responsible for over 15% of all CD sales in 1994. Its practice of "negative option billing" is now banned in 15 states and most Canadian provinces and the service shut down in 2009. A class action lawsuit was filed in 2011 due to inability to cancel.
OG466 TIL about Dr. Jesse Bennett, the first American physician to perform a C-Section, which he performed on his own wife
W7wb4 TIL Tattoo’s were status symbols of wealth in Victorian Britain.
nWjNB TIL that employees at N.A.S.A. smoked on average 29 cigarettes a day before the first moon landing.