› added 5 years ago

153

TIL that the "tires" on the Apollo lunar rovers were made of a woven mesh of zinc-coated piano wire with titanium treads to keep them from sinking into the lunar soil. The tracks they left are only 1/2" deep.

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via reddit.com

VMX1m TIL fake Xmas trees have to be used for 20 years to be more environmentally friendly than using real trees
N7LR8 TIL that pirates wore eye patches to help overcome night vision, and not from combat.
OGn76 TIL Wine is used to cook fondue because its acid helps to keep the cheese from stringing together
VM74 TIL: In 1860’s San Francisco, two stray dogs who were “best friends” became local celebrities, their exploits were celebrated in local papers, and they were granted immunity from the city’s dog catchers.
GYrpN TIL that Israel drops "warning bombs" on Gaza prior to dropping actual bombs.