TIL that a glass bead created by dripping molten glass into cold water (Prince Rupert's Drop) can withstand the pressures of a hammer and or bullets from a gun

Just the bulb. The tail is fragile af.

But not snapping the tail.

Relevant Smarter Every Day, with awesome high speed camera capture of one shattering:

https://youtu.be/xe-f4gokRBs

The vibrations from the force of the bullet generally cause the tail to snap, which blows up the whole thing

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