› added 5 years ago

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TIL Commercial bread contains an ingredient derived from human hair: l-cysteine

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via reddit.com

69lr7 TIL Radioisotope Thermoelectric Generators, used to power Voyager 1 since 1977, were also used to power the Mars Perseverance rover, launched in 2020 and still active on Mars today.
R5vl4 TIL that ice makers in home freezers have a heating element to release the ice cubes from the mold
4BJX TIL that before it became Islam’s holiest site, the Ka’ba housed pagan idols from all over the region and helped one family monopolize trade on the Arab Peninsula since members of every religion took pilgrimages to visit it
Y7g0B TIL in the 1935 Prince Edward Island election, 42.1% of voters voted for the Conservative party. However, because of their geographic distribution across the province, the Liberals still won 100% of the seats in the Legislative Assembly, which was a first for the entire Commonwealth.
9wrkB TIL that Norfolk Southern (rail freight company) partnered with other organizations to build and operate an entirely battery powered freight locomotive back in 2007