› added 1 year ago

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TIL of the PrOP-M. A twin set of rovers sent to Mars 26 years before Pathfinder.

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l7jBA TIL that despite being ubiquitous throughout the Roman world for centuries and appearing in sculptures and friezes across the empire, we don't know what the Romans called the armor they wore in battle. 16th century scholars gave it the name lorica segmentata.
b9d0N TIL a human egg cell is visible to the naked eye – about the size of a period in standard-size font.
KYMW4 TIL that when Mount Everest was first measured it was found to be exactly 29,000 feet tall. It was reported as 29,002 because surveyors worried the public would assume 29,000 was merely an estimate.
VBVap TIL that just a year after the failed invasion by the Spanish Armada, the English launch their own English Armada against Spain, which also failed.
VB6E0 TIL: This determined California man single-handedly built a 100-foot-long superyacht in the front yard of his desert home. Now a luxury charter, the vessel was cut into seven pieces for sea trials and reassembled at the ocean