This Odd Piece Of Glass Was Virtually Indestructible. Then It Met An AK-47

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19040135

The “Prince Rupert’s Drop” may sound like a silly moniker for a piece of glass, but don’t let the name fool you: These strange baubles are almost indestructible.

Created by plunging molten glass into freezing water, the bulbous ends of these unusual tear-dropped shapes are supposedly nearly impossible to break.

That’s not an unfair assessment: PRDs have been shown to withstand not just blows from a hammer or an impact on a concrete sidewalk, but a straight shot from a .38 Special loaded with some custom-made full metal jackets, thanks to the inquisitive Destin Sandlin at Smarter Every Day.

GIF via SmarterEveryDay

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Unfortunately, the Prince Rupert’s Drop isn’t totally indestructible. As part of his quest to test the true strength of the PRD, Sandlin opted for a something a bit more intimidating for his test this past Sunday: the legendary AK-47.

Here’s the interesting thing about this video: While the first AK round completely disintegrates against the PRD, the second shot completely shatters the solid glass teardrop into dust.

GIF via SmarterEveryDay

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The moral of the story: Everything is “indestructible” until it meets an AK-47.