Why Bottles Shatter When You Smack the Top with Your Hands

You might be aware of the trick where you hit a glass bottle with the palm of your hand, and the bottom subsequently shatters. While this may be a cool trick, what are the physics behind this glass shattering phenomenon. To test various theories out, Mark Rober and the Backyard Scientist used a high-speed camera to look at precisely the moment when the glass shatters. Develop your theory, then watch the video above to find out.

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