Boing Boing 

The geometry of fireworks

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“Enjoy the parabolic envelopes that form while those bright, sparkling, parabolic curves are etched into the sky tonight.” —Visualizing Math.

July 4: Barbara Kruger

bq

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Redneck Fireworks: DIY launcher shoots 8,500 bottle rockets

A 4th-of-July-themed 2007 vintage YouTube of who knows whom, doing something crazy in lord knows where.

“These crazy rednecks start drinking beer, then they decide to try and make a rocket launcher. They find an old gate and rig a fuse then proceed to load it with 8,500 bottle rockets while drinking beer and smoking cigarettes. This contraption makes an awesome firestorm.”

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[YouTube via Reddit]

Dogs and cats hate holiday fireworks. Here are 3 tips to protect your pet on July 4th.

Image: Shutterstock


Image: Shutterstock

Fireworks displays are fun for most humans, but pretty terrifying for pets.

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Fireworks by PES

"Fireworks," a classic from 2009 by PES. Happy Independence Day!