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TIL that ‘Disc’ refers to optical media (such as a CD) whereas 'Disk’ refers to magnetic media (such as a hard drive)

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via reddit.com

M7bVK TIL that the iconic sound of a lightsaber in Star Wars was created by combining the hum of an old projector motor with the buzz of a malfunctioning television tube.
9Yb17 TIL the surface pressure of Venus is so high that it would collapse the hull of modern military submarines. The surface pressure on Venus is over 90 bar which is equivalent to 900 meters below the surface of the ocean.
KOjJ4 TIL there is more than one version of the holy Quran. While the current version was ‘Standardised’ in 1923, earlier manuscripts more recently discovered, show changes.
WknL8 TIL Samuel L Jackson stuttered as a kid and still uses “motherf*cker” to get through a speech block
PYBBL TIL of Father Daniel Berrigan, a Catholic Priest who ended up on the FBI's Most Wanted List after burning draft cards in protest of the Vietnam War