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Edouard Benedictus

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What Makes Bullet Poof Glass Bullet Proof?

Bulletproof glass is made by sandwiching multiple layers of materials, such as glass and polycarbonate, together. This combination of materials is designed to absorb and dissipate the energy from a bullet, preventing it from penetrating through the entire thickness of the glass. The specific construction of the glass allows it to deform and absorb the impact of the bullet, stopping it from passing through.


Why does a bullet makes a hole when it is fired at a glass?

Glass is usually made shatter proof in order too prevent long sharp pieces of glass injuring people. This is done by either applying a clear sheet of plastic too the glass, or the glass sheet is heated till just below the softening point and then cold air is blasted onto the glass, this way when the glass breaks into small chunks which would explain why in some cases the bullet only punctured a hole instead of shattering the whole sheet of glass.


Why does a bullet when fired against a glass window pane make a hole in it and the glass pane will smash it?

when a bullet strikes the glass pane with a high velocity, the larger part of the glass plane do not get enough time to share the momentum due to inertia of rest and only that part which is in contact of the bullet is blown off according to the law of conservation of momentum But when a slow moving stone strikes the glass plane a larger part of the glass is able to share the momentum and therefore it smashes the glass


Why does a stone shatter glass while a bullet makes a neat hole?

A bullet travels at really high velocity and therefore the glass does not have enough time to bend due to the force and shatter instead the bullet just damages the area it gets in contact with and thus making a hole in the glass. Whereas a stone travels at a low velocity and the glass has enough time to bend and shatter


Why did Stephanie Kwolek invent the bullet-proof jacket?

Actually, she created Kevlar (Trademark) which is 5 - 9 times stronger than steel, yet lighter than fiberglass. The group of scientists she was working with at the time were trying to find a stronger material for automobile tires. If you would like to know more, please see the related link below: