This weekend, you can learn a few strategies for keeping an egg safe when thrown off a 4 story building. In addition, Paula Kieko breaks down the math and physics for you so you can calculate exactly how fast your egg is going at impact. If you want to have fun and get smarter, organize […]
Having an egg drop is like having your own egglympics. It will stretch your friends minds to think in new ways, bringing about a revolution in advanced thought… what I mean is that it’s fun to break stuff. It’s best to use what you’ve got around… only have a weight limit if you have a […]
Tim writes – Kombucha is a fermented tea beverage popular in Russia, China, and elsewhere. The culture forms a leathery skin called the “mother” that floats on top. This week’s Instructables TV episode shows how to wrangle the jellyfish-like “Mother” and make Kombucha 5 gallons at a time. This method produces a fizzy carbonated kombucha […]
Tim shows you how those Aquaskippers work and how to take one out for a spin… The “Aquaskipper” is a human powered hydrofoil made by Inventist.com . It’s similar to the original Swedish Trampofoil, which is no longer available. There’s also one called the “Pumpabike” from South Africa. They’re also called “hull-less watercraft” and “flapping […]
With a trebuchet, you can smash your enemy’s castle or at least fling the heads of enemy spies into their courtyard. In the old days, the most important metric of a trebuchet is that it can fire farther than your enemy’s archers can shoot their arrows! In this podcast you’ll see how to build a […]
A trebuchet is kind of like a catapult, but it’s optimized with a sling and a hinged counterweight to make it more effective. Download the pdf to learn the basics of making a paperclip trebuchet and a medium sized trebuchet that can throw eggs. Cut your lumber,l drill holes, and screw it all together! Add […]
Here’s a vintage bicycle headlight that has been given a touch of current LED technology… How to and more @ howtofixbikes – Link. Let there be (bike) light: Make a LED Bike light system – Link. HOW TO – Make the ultimate 18v Bike Light! – Link. Tape case bike light – Link. HOW TO […]
