What Caused the Spontaneous Fracture of an Ashtray with Lit Cigarette Buds?

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In summary, an ashtray on an elevated table in a balcony suddenly fractured into 4 pieces with lit cigarette buds, which is a common phenomenon known as spontaneous shattering. This has been discussed in scientific forums and can be attributed to various factors such as thermal stress and imperfections in the glass. There are already threads and discussions on this topic in online forums and a simple Google search can provide further information.
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abstracted6
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We have an ashtray on an elevated table in our balcony.

No one was outside and it suddenly fractured into 4 nearly even pieces on the table. Strangely enough, all the cigarette buds were lit.

This is the ashtray we used:

http://www.walmart.com/ip/Anchor-Hocking-5.75-Glass-Ashtray/17693180

My question is, how do you think this thing suddenly broke with all the cig buds lit?
 
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FAQ: What Caused the Spontaneous Fracture of an Ashtray with Lit Cigarette Buds?

What causes an ashtray to suddenly fracture?

There are several possible causes for an ashtray to suddenly fracture. It could be due to a manufacturing defect, old age and wear and tear, sudden temperature changes, or accidental impact or dropping.

Can a sudden fracture in an ashtray be dangerous?

Yes, a sudden fracture in an ashtray can be dangerous. The sharp edges of the broken pieces can cause cuts or injuries, and the pieces can also be a choking hazard if ingested. It is important to handle broken ashtrays carefully and dispose of them properly.

Is it possible to prevent a sudden fracture in an ashtray?

While it is not always possible to prevent a sudden fracture in an ashtray, there are some precautions you can take. Avoid exposing the ashtray to extreme temperature changes, handle it gently, and avoid dropping or impacting it. Regularly inspect the ashtray for any signs of wear and tear or damage.

Can an ashtray be repaired after a sudden fracture?

Depending on the severity and location of the fracture, it may be possible to repair an ashtray after a sudden fracture. However, it is important to note that the repaired ashtray may not be as strong or durable as it was before, and it is recommended to replace it if possible.

What should I do if my ashtray suddenly fractures?

If your ashtray suddenly fractures, you should carefully clean up the broken pieces and dispose of them properly. If there are any sharp edges, use gloves or a towel to handle them. If the ashtray was a part of a set, you may be able to replace it or purchase a new set. If you are concerned about the cause of the fracture, you may want to contact the manufacturer for further information.

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