› added 11 years ago

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TIL During the Cold War, the USSR thought the heavily trafficked building in the center courtyard of the Pentagon was a top-secret meeting room and pointed nukes at it. It was a hot dog stand.

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via reddit.com

WkaLo TIL that wolves get 7 hours of sleep on average per day, while mice get 14.5.
yVdkl TIL that having a small amount of insulation on a cylinder (like a pipe or water heater) can actually make it lose heat faster than if it were entirely uninsulated. This is known as the critical thickness of insulation. Having more than the critical thickness makes the heat transfer rate go down.
4gY5 TIL that during filming of Star Wars: Episode I, Ewan McGregor kept imitating the noise of his lightsaber during the fights even though George Lucas explained many times that this would be added in by the special effects people later on. Ewan said “I keep getting carried away”.
OooD7 TIL Thor: Ragnarok director Taika Waititi wrote the initial script for Disney's 'Moana' focusing more on Moana’s family relationships and adding irreverent, “very Pacific humour”. All that remains of his original script is “EXT: OCEAN – DAY”, jokes Waititi, but he felt the final product was “good”.
0dZVR TIL one out of twenty people will have PTSD at some point in their lives