› added 11 months ago

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TIL that modern-day Amman, Jordan was once called Philadelphia, and this version of "Philadelphia" referred to the incestuous Ptolemy II Philadelphus who conquered the city

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V7jk TIL astronauts discard their clothes after each use. Since it cost about $10,000 to get one pound of cargo to the ISS it is more cost effective for them to discard their cloths when they get dirty instead of wasting water by washing them.
d88kr TIL: According to the book “What If”- after humans are extinct, the last remaining man-made light source would be Cherenkov radiation, which would glow an eerie blue for centuries.
67GW TIL barnacles have the largest penis to body ratio in the animal kingdom.
7RNp TIL: Over the whole Twilight series, there has been 24 minutes of just staring.
oGR7 TIL that Leonardo da Vinci created plans for a “mechanized knight,” - a robot-like creation reliant on a system of pulleys. When these plans were found almost 500 years later and built according to Leonardo’s specifications, the design worked perfectly.