How normal glass can stand up to a hammer — and shatter a bullet. Attention, science geeks: We have a two-parter for you this morning. Can you imagine a piece of glass that will stand up to a whack with a hammer — but shatter if even nicked elsewhere? It’s Prince Rupert’s Drop — at 130,000 frames per second and undoubtedly one of the coolest science-y things we’ve seen on the internet in ages.

Watch part one (The Mystery of Prince Rupert’s Drop at 130,000 fps) and then move on to part two: What happens when said drop meets a bullet fired at point-blank range. Hint: The bullet loses.

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