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Stephanie Louise Kwolek (/ ˈkwoʊlɛk /; 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 years. [1][2] For her discovery, Kwolek was awarded the DuPont company's Lavoisier Medal for outstanding technical ...
Second Chance is an American body armor manufacturing company that was the first firm to use kevlar for body armor. The company was founded in the early 1970s by U.S. Marine and pizza delivery owner/driver Richard Davis. Davis developed the idea of a bulletproof vest after shooting three armed robbers in self-defense during a delivery.
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.
Liquid Armor. Liquid armour is a material under research by defense institutions and universities around the world including the United States Army Research Laboratory (ARL). [1][2][3] Some of the earliest research in this area was performed at Massachusetts Institute of Technology [4] and University of Delaware [5] in 2003.
William Nelson (c. 1879 –1903), a General Electric employee, invented a new way to motorize bicycles. He then fell off his prototype bike during a test run. [2] Francis Edgar Stanley (1849–1918) was killed while driving a Stanley Steamer automobile.
The Improved Outer Tactical Vest (IOTV) in MultiCam, as issued to United States Army soldiers. A bulletproof vest, also known as a ballistic vest or a bullet-resistant vest, is an item of body armour that helps absorb the impact and reduce or stop penetration to the torso by firearm-fired projectiles and fragmentation from explosions.
Jimi Heselden. James William " Jimi " Heselden OBE (27 March 1948 – 26 September 2010) was an English entrepreneur. [1][2] A former coal miner, he became wealthy by manufacturing the Hesco bastion barrier system. In 2009, he bought Segway Inc. He died in 2010 from injuries sustained falling from a cliff while riding his own Segway PT.
Nomex is produced by condensation reaction from the monomers m -phenylenediamine and isophthaloyl chloride. [1] It is sold in both fiber and sheet forms and is used as a fabric where resistance from heat and flame is required. Nomex sheet is actually a calendered paper and made in a similar fashion. Nomex Type 410 paper was the first Nomex ...