› added 6 years ago

103

TIL that Osama Bin Laden had the "Charlie Bit My Finger" video in his computer's audio/visual collection

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Z8rao TIL bladeless fans work by squeezing air & accelerating it. Air is forced out through slits, & clings to the curved aerofoil surfaces. This means surrounding air pulled along, too. The air flow becomes about 15 times greater than the air taken in.
nwx7 TIL The first Atomic bomb dropped on Japan was assembled while the aircraft was actually in flight, because bombers kept crashing and burning on the runway. It took them 25 minutes to assemble the weapon while in flight.
A6yw TIL There are two different chains called Whataburger/What-A-Burger that opened at the same time and they knew NOTHING about one another for decades
nekkb TIL Gray wolves were reintroduced into Yellowstone National Park in 1995, resulting in regeneration of the entire ecosystem [Trophic cascade]. After the wolves were driven extinct regionally nearly 100 years ago, scientists began to fully understand their role in the food web as a keystone species.
e08Pg TIL that Scotland has 421 words for "snow".