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Thread: Cell cracks glass?

  1. #1
    Gold Member Houses4Rent's Avatar
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    Cell cracks glass?

    I am a engineer, but got a tad surprised the other day. I drank something and the glass was empty. No temperature shock anywhere. My cell phone was charging and lying next to it. I heard a funny noise coming form the glass and on closer inspection it was cracked.

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    Does anybody have any idea what could have caused this?
    Houses4Rent
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    Diamond Member adrianh's Avatar
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    Probably extreme heat concentrated on a small area of the glass. Lipo batteroes can get very hot.
    How easily someone is offended is directly proportional to how stupid they are.
    ~GS Elevator

  3. #3
    Gold Member Houses4Rent's Avatar
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    I doubt it was heat as I touched the phone and it was not very hot hence I mentioned no temp shock.
    Houses4Rent
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    Diamond Member adrianh's Avatar
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    All it takes is a small flawed spot and suitable differential temperature.
    How easily someone is offended is directly proportional to how stupid they are.
    ~GS Elevator

  5. #5
    Diamond Member AndyD's Avatar
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    They do all sorts of weird and wonderful things with glass during production and the stress within the glass can cause cracking when, as Adrian says, even a microscopic chip occurs or because of minute imperfections from manufacturing. They also 'rim stress' drinking glasses or even fully tempered to stop them being broken and used as a weapon by combative drunkards.
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