› added 1 year ago

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TIL about Fallstreak Holes or “hole-punch” clouds, a natural weather phenomenon that causes a large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds. It’s often associated with UFO sightings

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6BmX TIL Kroger uses infrared sensors to track customers in their stores; an algorithm then decides how many checkout lines need to be open to reduce wait times.
XEX7j TIL The Shanghai heroin trade in the 1920s was dominated by two men. One was Chief of Police, the other was head of the government Anti-Opium Board.
xVyJB TIL about "Homewrecker Laws."l In 6 US states it's legal to sue somebody who ruins your marriage.
xVy95 TIL that John Harvey Kellogg, the creator of Kellogg's cereal, thought that foods high in flavour caused sexual activity in children so he created flavourless, grain-based cereals to discourage them.
grPGX TIL the Ancient Roman Legions, rather than promoting men with orders from senior officers, held elections from within a Contubernium (equivalent to a squad or platoon) to elect a "Decanus," (roughly a corporal or sergeant, in charge of 10 men).