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Refractive index is a tool used to study how light bends/moves through glass

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when glass is cracked by a projectile and produces which radiate out words is a "radial fracture"

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breaks into small pieces rather than big sharp shards

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Stronger then normal glass. when it break it shatters into small crumbs and not into shards and is safer so its used on side and rear end of cars

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-Its categorized as an "amorphous" solid

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made up by using heat & high pressure that are combined to make a flexible layer

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The refractive index can compare with that of another glass fragment in order to understand if there from the same source

For example if a stolen car leaves broke glass behind, the refractive index can be useful for trace evidence

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Made from fused inorganic material by melting sand, lime, and sodium carbonate at very high temperatures

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- Made by Sand, Lime, Sodium Oxide

Lime- keeps sand from dissolving in water
Sodium Oxide- lowers melting point so it doesn't have to be heated at a high degree

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concentric crack occur afterword, starting on the same side as the force

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-Laminated glass can be repaired
-A sheet of plastic put between 2 pieces of glass
Much safer so its used as the front windshield of cars
- This glass is pressed into plastic which doesnt really break