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137

TIL that some lighthouse light apparatuses use a mercury bearing to reduce friction, allowing for faster rotation speeds without powerful mechanisms

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P1MBg TIL that the United States is currently under 42 different national emergencies, one of which dates from 1979.
OoX6g TIL Some 10 percent of Dongguan's more than 8 million population is said to engage in sex work. It is estimated that at its peak there were more than 250,000 sex workers and brothels are often disguised as hair salons or karaoke bars
eJK6 TIL that temp agencies make money by getting you hired and giving you a different pay rate per hour than what the company is offering. So if a company offers $25 per hour, the temp agency will take $10 an hour for their services and tell you that they will pay you $15 an hour
yxMX TIL the word “robot” was first used in a 1920 play and was derived from the Slavic word for “slave labor.”
kk0g TIL Israel has been selling American military secrets to China for quite some time.