› added 5 years ago

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TIL "Green Screening" is known as a "Chroma Key" in the television and movie industry since any distinct and uniform color can be used--not just green--as long as the foreground is visually different from the background.

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MZJW TIL that during a critical moment in the Apollo 13 mission the Soviet Union discontinued radio transmissions in the frequency bands used by Apollo to prevent radio interference
oBmJL TIL: Moon looks reversed from Australia
GYGwE TIL that this was the first ever video of Youtube
ya58 TIL Declassified Documents Prove the US used “Cloud Seeding” to extend the monsoon season during the Vietnam War
lolQN TIL Douglas Adams worked on Hitchhiker’s Guide to the Galaxy while writing for Doctor Who, and later turned a rejected Doctor Who story into the third Hitchhiker’s book.