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Vanadium was a rare metal, but for 100 years after its first discovery in 1801 no one cared—until a chemist discovered it strengthened steel.
Would you be able to walk, think, or react without a nervous system? University of Pennsylvania engineering student Sonia Roberts explores this question while building robots inspired by real animals.
By 1790 chemistry was the up-and-coming science. The products of chemistry—industrially useful salts, acids, and alkalis—would soon be measured not by the ounce (or the gram) but by the ton.
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