› added 5 years ago

762

TIL How early touch screen technology works.

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via reddit.com

EgybP TIL McDonald's was fined $4 million in 1999 for not reporting 400+ injuries of children using Big Mac Climber jungle gyms, where children climbed up a tube from the ground and played between two giant metal hamburger buns. The last Big Mac Climbers were removed from McDonald's playgrounds in 1997.
eJYb TIL that Stephen King novels “IT” and “The Shining” are set in the same universe, the character Dick Hallorann that is the head chef of the Overlook hotel in The Shining, very briefly appears as a character in IT.
R7ggw TIL scientists successfully revived bacteria that was lying dormant for 250 million years.
JXwl TIL: That while the Russian Tsar Bomb is the largest nuclear device ever detonated, it was the ‘cleanest’ nuclear bomb ever detonated. It’s modifications removed 97% of it’s fallout.
e0ZZg TIL that glass blocks the wavelength of light required for the body to synthesize Vitamin D.