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Why did my wine glass suddenly break without anyone touching it?

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nudephil (OP)

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Why did my wine glass suddenly break without anyone touching it?

« on: 02/09/2020 18:15:05 »

Alan got in touch with a weird phenomenon:

A wine glass on the dining table, untouched for 12 hours, just went click and top rim broke off in perfect circle without anyone touching it.

Can anyone explain?

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Bored chemist

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Re: Why did my wine glass suddenly break without anyone touching it?

« Reply #1 on: 02/09/2020 19:13:09 »

Could be any of a number of things
https://www.glass-ts.com/news/unexplained-glass-failure-don-t-jump-to-inclusion-conclusions

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Petrochemicals

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Re: Why did my wine glass suddenly break without anyone touching it?

« Reply #2 on: 02/09/2020 20:22:08 »

The stress forces overcame the material strength, due to various factors, heat sound. Likely crack propagation for a while, such as a chip on the surface running

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