› added 11 years ago

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TIL Thomas Edison designed and built a helicopter powered by gun powder. It blew up, and took the factory with it.

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8pdK TIL that from the 2009-2010 fiscal year, Susan G Komen foundation only donated 20.9% percent of its $390 million in earnings to actual cancer research.
MeKrB TIL There's a Batman's story called ''A Black and White World'' that reveals that all the Batman's stories are simply staged , and in that story they discuss themes like bad writings, how the actors prepares themself to act, and ends in The Batman and The Joker having a lunch together
K7yB TIL that all fourth graders in the US have free admission to national parks
GAW65 TIL windsocks (like those used at airports and heliports) are often used at industrial buildings that use ammonia as a refrigerant so emergency responders know which areas are downwind if there’s a leak
kO1le TIL the first civil nuclear accident happened in Canada in 1952 when a reactor core was damaged. Contaminated light-water leaked out of the reactor and led to a major response effort. Future U.S. president Jimmy Carter, then a Navy Lieutenant, was part of the cleanup crew