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todayilearned

Jan 06, 2020

TIL: Power lines are made of aluminum and not copper because even though aluminum lines must be 1.5 times thicker to match the same conductivity, they're still 2 times lighter.

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todayilearned

Oct 30, 2019

TIL: American bankers made hundred of millions by pretending to trade aluminum, thus driving the price up.

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todayilearned

Sep 23, 2019

TIL China used more cement in three years — between 2011 and 2013 — than the US did in the entire 20th century.

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