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TIL English inventor Joseph Merlin designed the first roller skates for a masquerade party in 1760. Not bothering to practice, he smashed into a wall length mirror upon entrance.

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via ift.tt

Brlmy TIL that the Queen of Englands reign has seen 12 American presidents in office and she’s met all of them, except for one.
maKY TIL David Hayter, the original voice of Snake in the Metal Gear Solid series, wrote the screenplay for the first X-Men movie and the film The Watchmen.
D1Q6V TIL that one of the main engineers behind NASA's Challenger rocket, which exploded in 1986, revealed that after NASA would not heed his warnings against launching in the cold weather, he told his wife the night before the launch, "It's going to blow up."
LkXo0 TIL that cannons are also percussion instruments classified as "Pyrophones" because they are used when performing songs such as the 1812 Overture and For Those About To Rock.
gMEPy TIL the smaller chunks that break off of icebergs are officially called "bergy bits"