Glass can explode, and seeing it happen in slow motion is damn incredible. The Slow Mo Guys pointed the Phantom V2511 high-speed camera at a Pyrex glass measuring cup that was heated with a torch and then doused in cold water to capture the exploding glass (something about the sudden temperature change isn’t good with tempered glass) and you can see just how fast it blows up.

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It’s instantaneous, and the shredding glass spreads like a lightning strike around the entire glass jar and then shoots out shards in every direction during the explosion. The Slow Mo Guys filmed the shattering effect in 28,000 and 343,000fps to show off the whole spectrum of exploding glass.