› added 6 years ago

874

TIL In 552AD two monks successfully smuggled silkworm eggs in their walking sticks from China to the Byzantine Empire, essentially ending the silk monopolies of China and Persia, and bringing silk manufacture to Europe.

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1aNRD [TIL] that flushing the toilet with the lid down reduces airborne particles and bacteria by up to 50%.
QJNrp In September 2015, scientists witnessed something never seen before: two black holes colliding. Both about 30 times as big as our Sun, they had been orbiting each other for millions of years. A fraction of a second before the crash, they sent a vibration across the universe at the speed of light that was picked up by the LIGO detector. So what are these ripples in space? Amber L. Stuver explains. Lesson by Amber L. Stuver, directed by Eoin Duffy.
RD44 TIL Robert Watson Watt, pioneer of Radar, was caught speeding at the age of 64, by a cop with a Radar gun.
85GX TIL Springsteen’s Born In The USA was about the harmful effects of the Vietnam War on Americans and the treatment of Vietnam veterans upon their return home.
8aOaL TIL that flight recorders, commonly referred to as "black boxes", are actually orange!