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TIL the prescription for infants' eyeglasses is identified using a technique called Retinoscopy

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j6MOv TIL about a brutal sleep experiment aired on Channel 4 in the UK in the early 2000's where contestants had to stay awake for a whole week in order to win £100k.
RZrj TIL that the United States can literally sue your possessions, and since they are not people, they can be declared guilty with no evidence or trial.
pYPap TIL that the painter Caravaggio's real name was Michelangelo.
b1B9 TIL the Vietnam War lasted for 19 years, 5 months, 4 weeks and 1 day resulting in the deaths of 847,000–2,500,000 civilians, and 1,484,000–3,886,026 soldiers.
JYeaV TIL that Former President John Tyler tried to organize a peace conference in 1861 to avert a civil war. At the same time, his granddaughter was ceremonially hoisting the flag for the Confederate convention in Alabama.