› added 8 years ago

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Today I Learned of the Tulsa Center of the Universe. An acoustic anomaly located in Oklahoma. When one stands in the center of the circle and makes a noise, that noise is echoed back several times louder than it was made, but no one standing outside the circle can hear a thing.

Read more atlasobscura.com

via ift.tt

PrnL TIL that a woman named Gaby Olthuis suffered from tinnitus (ringing in the ears) to such an extent that she opted for doctor assisted suicide
78LbM Til in 2000, a convicted murderer on death row's execution was denied because he was "too fat to hang"
nA4G TIL the reason that a donkey represents democrats is that Andrew Jackson’s opponents called him a jackass, so he embraced it and used the strong-willed animal on his campaign posters.
d8p68 TIL: Alpha Centauri ( α Cen) is the closest star system to Earth's Solar System at about 4.37 light-years or 25,600,000,000,000 miles (40,130,000,000,000 km) away from from the Sun. The flight to Alpha Centauri with the speed of Apollo 11 will take us over 100,000 years to complete.
kOxZe TIL that the steel used in MRI machines, geiger counters and other radiation detecting gear is primarily sourced from German WWI battleships, scuttled in Scapa Flow in 1919 because the steel was made before nuclear bombs were detonated, thus contaminating the air with radionuclides in 1945.