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Shatter Proof Glass
Transcript of Shatter Proof Glass
Safety glass: glass made with plates of plastic or resin or other material between two sheets of glass to prevent shattering
Shatter Proof Glass
Who invented shatterproof glass?
Shatterproof glass was invented by Édouard Bénédictus in 1903-completely by accident!
He investigated into why it didn't shatter and realized previously that it had contained cellulose nitrate that coated the inside of the flask acting as an adhesive that kept the glass together after it fell.
How does one accidentally create shatterproof glass?
Édouard Bénédictus accidentally knocked over a glass flask and when it fell it broke but did not shatter in little pieces
Shatterproof glass in cars
In the 1920's car companies started using this glass in cars. They did not immediately use the new glass because they came into problems with it.
The most modern way to make shatterproof glass is to have two layers of glass stuck together with polyvinyl butyral between them.
How it helps in a collision
Now that the glass doesn't shatter upon impact people do not have to worry about having shards of glass protruding from them
Benefits of Shatterproof glass
Storm Protection-strong glass won't break
No Burglars-they can no longer simply break glass to get into a car
If a thief were to try to break in
Life saving benefits
Since the invention of shatterproof glass was so long ago there are not many records upon the statistics of the lives saved with this new safety feature. It has been determined that at least thousands of lives have been saved upon this new feature.
As mentioned before cars were not made with the glass immediately after it was invented because of various problems that arose:
glass came out a different colour
temperature changes caused it to shatter
it was not as strong as it was predicted to be
Research to Improve
As any device this one is constantly being tested and changed to make it the best it can possibly be. Current testing information is difficult to find but it is happening.
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