ELi5: Why are Prince Rupert’s drops so indestructible?

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I’m very curious.

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Anonymous 0 Comments

Glass is incredibly strong, *but* it is very brittle. Cracks make it weak. All glass has microscopic cracks at the surface, weakening it.

These drops form in such a way that most stretching forces are carried by the glass on the inside, where there are no cracks, and so the glass is able to better live up to its full potential.

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