Bulletproof Vests
Beginning of paper
A bulletproof vest is a protective covering worn to protect the
torso against bullets. Body armor fell into disguise in the sixteenth and
seventeenth centuries, partly because it was ineffective against bullets.
Modern body armor reappeared during World War I as a means of protecting
the torso fro ....
Middle of paper
.... ceramic, boron carbide.
However, the discovery that numerous layers of nylon fabric could dissipate
the energy of the bullet revolutionized the use of modern body armor.
The function of steel or hard plastic armor is to be impervious to
a bullet. The function of ceramic armor is to slow the bullet abruptly by
the hardness of the ceramic and to dissipate the bullet's energy as it
destroys the armor at the point of impact; the tiles or plates of ceramic
bulletproof vest thus have to ....
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Word count: 366
Page count: 2 (approximately 250 words per page)
