Questions tagged [glass]

37 questions
18
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1 answer

Fracture patterns in tempered glass

While browsing a local news site, I stumbled upon this picture of a broken bus door. The glass was fractured due to a rock impact. As far as i know there are no heating elements on the window section in the picture. Now, what interests me is the…
shay s
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11
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3 answers

Why doesn't stovetop glass crack from thermal shock?

I have a feeling that if my stovetop was made out of regular glass, it would have cracked from rapid cooling/heating a long time ago – especially if you consider accidental water spills. What kind of glass is able to withstand such abuse? (I am just…
1
vote
2 answers

Tempered glass physics

I have two related questions Why is a thicker tempered glass stronger than thinner? For example, I have to hit much harder at 3/4” tempered glass panel surface than I hit 1/4” panel in order for glass to shatter. My understanding is that…
Vortex
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0
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2 answers

Glass used in biometric machines

I would like to know what kind of glass is used in biometric attendance machines over which we press our thumb? Is there something special about these glasses or their manufacturing?
user17926
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