› added 6 years ago

98

TIL Japans current emperor until 2019 was the son of Hirohito

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OoOae TIL that a USSR physicist published his equations for solving reflected electromagnetic waves from surfaces, as the Soviet authorities considered them insignificant for military purposes. His work was found by Lockheed in the 1970s, leading to a breakthrough in developing their stealth plane F-117.
VMJk0 TIL that Karl Marx wasn't aware of advances being made in differential calculus and developed the concepts himself while writing his mathematical manuscripts
p8axG TIL that in 2017 astronomers detected 100 Earths' worth of gold being forged in space. They revealed the first-ever detection of two neutron stars colliding in space. "You smash these two things together at one-third the speed of light, and that's how you make gold," said astronomer Duncan Brown.
9YgKp TIL The sun is not yellow, it’s white. Rayleigh scattering both makes the sky appear blue and the sun appear yellow by scattering the suns rays.
ANg9d TIL A Portugese Man of War is not a jellyfish; it’s a colony of thousands of individual animals called “zooids”