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  2. Stephanie Kwolek - Wikipedia

    en.wikipedia.org/wiki/Stephanie_Kwolek

    Stephanie Louise Kwolek (/ ˈ k w oʊ l ɛ k /; July 31, 1923 – June 18, 2014) was a Polish-American chemist best known for inventing Kevlar (poly-paraphenylene terephthalamide). ). Her career at the DuPont company spanned more than 40 ye

  3. Lester Shubin - Wikipedia

    en.wikipedia.org/wiki/Lester_Shubin

    Kevlar was initially used as a replacement for steel-belting in tires, and later for use in ropes, gaskets, and automotive and aviation parts. [1] [3] In 1971, Shubin, who was then the Director of Science and Technology for the National Institute for Law Enforcement and Criminal Justice, [4] suggested using Kevlar to replace nylon in bullet ...

  4. Kevlar - Wikipedia

    en.wikipedia.org/wiki/Kevlar

    Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora. Developed by Stephanie Kwolek at DuPont in 1965, [ 3 ] [ 2 ] [ 4 ] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.

  5. History of YouTube - Wikipedia

    en.wikipedia.org/wiki/History_of_YouTube

    Timeline of events; 2005: July – Video HTML embedding: July – Top videos page: August – 5-star rating system: October – Playlists: October – Full-screen view

  6. Jawed Karim - Wikipedia

    en.wikipedia.org/wiki/Jawed_Karim

    Jawed Karim was born on October 28, 1979, in Merseburg, East Germany, to a Bangladeshi father and a German mother. [4] His father Naimul Karim (Bengali: নাইমুল করিম) is a Bangladeshi who is a researcher at 3M, and his mother, Christine, is a German biochemistry scientist at the University of Minnesota. [5]

  7. Talk:Kevlar/Archive 1 - Wikipedia

    en.wikipedia.org/wiki/Talk:Kevlar/Archive_1

    There is a trade-off between steel and kevlar beads: steel is cheaper and easier to mount, but kevlar is lighter and allows the tire to be folded up, useful for spare tires. One source: [ 1 ] -- 97.120.76.86 ( talk ) 01:27, 26 October 2014 (UTC)

  8. Timeline of historic inventions - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_historic...

    1970: The pocket calculator is invented. 1971: The first single-chip microprocessor, the Intel 4004, is invented. Its development was led by Federico Faggin, using his silicon-gate MOS technology. This led to the personal computer (PC) revolution. [503] 1971: The first space station, Salyut 1, is launched.

  9. Teflon-coated bullet - Wikipedia

    en.wikipedia.org/wiki/Teflon-coated_bullet

    The inventors, having also noted that the tips of walking canes were frequently covered with the relatively soft and malleable Teflon to help them grip surfaces, found that the addition of Teflon helped to prevent bullet deflections from vehicle doors and windshields, further improving penetration against those surfaces.