Kevlar (para-aramid) is a heat-resistant and strong synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires. It is typically spun into ropes or fabric sheets that can be used as such, or as an ingredient in composite material components.
invented by Frits Zernike
Phase-contrast microscopy (PCM) is an optical microscopy technique that…
invented by Soviet Union
In the context of spaceflight, a satellite is an object that has been…
invented by Chuck Hull
Stereolithography (SLA or SL; also known as stereolithography apparatus,…
invented by Allan Kardec
Named after 10th-century Denmark king Harald “Bluetooth” Gormsson
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