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TIL Orbital mechanics in 60 seconds

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0Kl5 TIL: Under the US Copyright Office “supernatural beings” cannot hold copyrights so technically if they’re real, vampires or werewolves can’t get royalties for their original content.
GA9J4 TIL North Korea ordered and took delivery of 1,000 Volvos ftom Sweden. They never paid for them.
X7j6 TIL Alcatraz was once the only federal penitentiary in the U.S. that provided hot showers for its inmates. Prison staff reasoned that inmates who were used to warm, comfortable water would not be able to withstand the freezing San Francisco Bay during an escape attempt.
d777 TIL a high school senior named Gaby Rodriguez faked a pregnancy for 6 months as a part of her social experiment for her senior project.
1ak47 TIL the term "foil" (antagonist) comes from the old practice of backing gems with foil to reflect their features and make them shine more brightly