How Fireworks Work
A look inside of the fireworks and how they go about painting the sky with fire, light, and color.
Fun & Games
The latest DIY ideas, techniques and tools for bikes, rockets, R/C vehicles, toys and other diversions.
Massive Bottle Rocket Mayhem
Answering the musical question: What would it be like to light over 200 bottle rockets at the same time?
The Walnut Creek model railroad
Now this is a train layout, 1,800 sqaure feet of it. It’s the pride and joy of the Walnut Creek Model Railroad Society, Walnut Creek, CA, who’ve been at it since 1975. I like how the piece on Wired.com opens: Before SimCity — even before Dungeons and Dragons — back when “computer” was a job […]
LEGO combination safe
Wow, a LEGO combination safe!
Hardware Chess Sets
Here is a collection of chess sets built from mechanical and electrical bits, mostly nuts, bolts, and washers of various flavors.
How-To: Re-cover a bike saddle
Say your bike saddle’s fabric/leather is wearing thin, or you just don’t like the color. Or say you live in Phoenix and your black bike seat gets so hot while it’s outside baking in the sun all day so that when you go to ride it, you get second degree burns. You might want to […]
Sweet penny stove
We’ve covered these beer can stoves before, but this is a particularly nice one. And ’tis the season to be camping… Penny Stove Instructions and FAQ [Thanks, Pete Marchetto!] More: Make a Pepsi Can Stove A better soda can stove