The Phantom line of ultra-high-speed video cameras have held PopSci’s rapt attention even before the v12 model won our Best of What’s New Award in 2008.

So what better way to celebrate our nation’s independence than aiming a Phantom v641 from New Jersey’s Vision Research at all manner of explosives, resulting in high-definition footage of fireworks going off at a glorious 2,000 frames per second?

Not so much for the celestial, dazzling burst of fireworks — you’ll get plenty of those this weekend regardless — but for a serious investigation of what exactly happens when you stick firecrackers in, for instance, a jar of mayonnaise.

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