来自MSN1 个月
How Kevlar Used in Bulletproof Vests Is Strategically Constructed to Stop Bullets in Their ...Levy and directed by Vitalii Nebelskyi of the creative agency and action, narrator Addison Anderson explained the history of Kevlar, its amazing construction, its ability to stop bullets ...
来自MSN24 天
She Accidentally Invented Kevlar In 1965, And It's Now Used In Everything From Aerospace ...Now, Kevlar is used in vast applications, such as aerospace engineering, bulletproof vests, boats, and car brakes, to name a few. Stephanie was born in 1923 in New Kensington, Pennsylvania.
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Prior to 1970, bulletproof vests were pretty iffy ... By the 20th century there was ballistic nylon, but it took kevlar to produce garments with real protection against projectile impact.
“They’re bullet-proof, stab-proof ... He said the budget doesn’t allow for the purchase of K-9 Kevlar vests. “The city buys what we need, but, for the most part, they don’t buy vests ...
Today, Kevlar ® is used in hundreds of products, including bulletproof vests, spacecrafts, helmets, tennis racquets, tires, and protective gloves. Born in New Kensington, PA, Kwolek developed a love ...
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