A fire sprinkler that you can probably see above your head if you are watching this from your office when you should be working. Shame on you! Nah, just kidding. Watch more Slow Mo Guys at work!
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Filmed at 1000fps with the Phantom Flex 4K and 103,000fps with the Phantom V2511
How a Fire Sprinkler Works at 100,000fps - The Slow Mo Guys