› added 12 years ago

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TIL the International Space Station usually sees the sun “rise” once every 90 minutes

Read more science.howstuffworks.com

via reddit.com

16kjP TIL that some helicopters have various parts that are intentionally designed asymmetrically, to compensate for the tail rotor pushing the helicopter sideways when it’s hovering. They also have asymmetrical landing gear for the rotor to remain level when landed
gr54b TIL in the Siege of Leningrad, Nobel laureate economist and mathematician Leonid Kantorovich calculated an optimal distance between cars on the Road of Life based on temperature and ice thickness to ensure they didn't sink into Lake Ladoga. He walked between cars on the lake to ensure they complied.
pY8P4 TIL that in 2021 more than 1/3 of the shark attacks in the world occurred in Florida and, of the attacks in Florida, more than 1/2 occurred around Daytona Beach.
Rrd4 TIL in 1897, a newlywed woman was found dead in her home. Although her death was attributed to natural causes, her mother’s insistence that she had been visited by the woman’s ghost compelled authorities to reopen the case, at which time an autopsy revealed the woman had suffered a broken neck.
WyXL TIL 48 percent of black women have herpes.