› added 11 years ago

78

TIL Scallops have approximately 100 eyes around the edge of its shell

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8ajGX TIL that a clean room used in chip manufacturing is thousands of times cleaner than a operating room. Chip manufacturing clean rooms have 10 particles per cubic meter while ORs allow 10,000 particles per cubic meter.
aa8y TIL the average black-market price of an AK-47 worldwide is $534. In certain areas in Africa, prices of AK-pattern rifles can be as low as $30. It is estimated that up to 100 million Kalashnikov assault rifles are still in use today.
x69lb TIL about 'Blue Peacocks,' where the British military tried to deter Soviet aggression using a nuclear landmine and almost used chickens to detonate it.
5VgG9 TIL that the amount of time between the release of A New Hope and The Phantom Menace is shorter than the amount of time between the release of the Phantom Menace and TODAY.
wreE TIL China’s subway beggars have designed a system that governs which turf they get to work. Greenhand beggars who intrude on lines reserved for the disabled or elderly get a beating.