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TIL that the collective tension of all the strings on a piano totals out at about 20 tonnes.

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A4x4 TIL: Edgar Allen Poe’s character Richard Parker who is eaten in a shipwreck in his 1838 book. In 1884 an English ship sinks and the name of the boy who is eaten is Richard Parker.
m1WEM TIL that there is a rare condition known as "synesthesia" where people experience a blending of their senses. someone with synesthesia might see colors when they hear music . This phenomenon is estimated to affect about 1 in 2,000 people.
aNQZ TIL That Burger King was forced to change its whole franchise name to Hungry Jack’s in Australia due to a small takeaway joint already trademarking the name in Adelaide.
0w8Rp TIL that Franklin Roosevelt probably didn't have polio. His symptoms were more consistent with an autoimmune disorder called Guillain-Barre syndrome.
v4Nx TIL that actor Colin Firth is credited as a co-author of paper on the link between brain structure and political alignment because he suggested that the connection could be studied