You might not believe it, but the same chemistry that brought us bulletproof vests and modern sailing sails also gave us the technology to build your smart phone. But that doesn’t mean these chemists were thinking about these applications when they made their breakthroughs.
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Sources:
https://www.nauticexpo.com/boat-manufacturer/kevlar-sail-36624.html REMO KS061400 14" Black Max Kevlar Snare Drum Head
https://www.ncjrs.gov/App/Publications/abstract.aspx?ID=76896
https://invention.si.edu/innovative-lives-stephanie-kwolek-and-kevlar-wonder-fiber
https://invention.si.edu/node/445/p/435-discovery
https://polymerdatabase.com/Fibers/Aramid.html
https://www.sciencedirect.com/topics/materials-science/aramid-fiber
https://digital.sciencehistory.org/works/vh53ww75r#ohDownloads
https://www.dupont.com/content/dam/dupont/amer/us/en/safety/public/documents/en/Kevlar_Technical_Guide_0319.pdf
https://www.vice.com/en/article/ezpvb4/this-is-what-happens-when-you-shoot-a-kevlar-vest-at-point-blank-range