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 Fail: the ultimate video compilation

[Video Link] Compiled by WorldWideInterweb (via OneCoolThingADay).

Reagan on a Velociraptor

"Ronald Reagan Riding a Velociraptor," by *SharpWriter on DeviantArt. You can buy prints of this image, and other awesomely weird works by SharpWriter, at his Etsy store.

FDR Transformer, Teddy Roosevelt Vs. Bigfoot, Abe Lincoln Riding a Grizzly, John F. Kennedy Alien Hunter on a Unicorn, George Washington Zombie Hunter—hoo-wee, there's a lot to love. (thanks, Dingus!)

Monster storms and aging power grids nix many July 4th festivities in Eastern US

Storm damage and high temperatures have left 1.3 million homes and businesses in the eastern United States without power since Friday. At least 23 people have been killed, some crushed by falling trees, others from heatstroke. From Illinois to Virginia, "Many Fourth of July celebrations were canceled as local governments confronted damage from the hurricane-force winds and high heat and drought conditions that made firework shows risky." There's an intense image comparison here at the NASA website, showing before/after satellite images that reveal massive blackouts in DC, Richmond, and other cities affected by the "derecho" storms.