Prince Rupert’s Drop


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Youtube scientist Destin of Smarter Every Day explores breaks out the 130,000fps camera to observe the genuinely fascinating phenomenon of Prince Rupert’s Drop (aka ‘Rupert’s Balls’ or ‘Dutch Tears’) – whereby molten glass dropped into cold water hardens into a tadpole-like droplet with a long tapering tail.

The head of the droplet is virtually impervious to brute force. But just tip the tail and…you’ll see.