An unusual liquid worth testingSourced
The cloudy solution was not thrown away
Stephanie Kwolek’s cloudy solution was the sort usually discarded. Concern that it would clog the spinning equipment initially blocked a test, but she persuaded the technician to try it. The resulting unusually strong fiber helped lead to Kevlar.
The odd appearance did not end the experiment.
Summary / translation: Unbubly · CC BY-SA 4.0
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Stephanie Kwolek · Wikimedia contributors
Adapted, summarized and translated from the source. Adapted text is also available under CC BY-SA 4.0.
Reviewed: 2026-10-05