One of the things I remember fondly from my childhood was building and launching model rockets with my dad. So when my son William got a model rocket as a gift from his aunt, it was really fun to get back into it. We have built and launched several rockets now. We are also working […]
There’s been a lot of talk about the pollution problem in Beijing lately. Last month, the air quality index there hit 755, going well beyond the top of the scale (which is set at 500). Matt Hope‘s defense against the enormous problem is the Breathing Bike, a bicycle that cleans the air as its pedaled […]
Trotify is a coconut-clopping bicycle attachment.
Data lovers, this week Make: Projects community member Mike Westerfield shared a pair of intriguing how-tos detailing how to fly a TI SensorTag and an iPhone on a model rocket to find acceleration, rotation, and pressure, then collect and analyze the data using a Bluetooth link to the iPhone and techBASIC.
Jason Torchinsky had this “admittedly goofy idea” about turning an old netbook into a highly customized taillight. He’s sketched up the basic plan, and is now daring one of you to go through with it! He says that animated taillight units cost from $100 – $500, so why not go whole hog by “leveraging […]
Israeli inventor Izhar Gafni says he ready to mass-produce a 20-pound bicycle made of cardboard that’s waterproof and even fireproof. There are no metal parts. The chain is actually a car’s timing belt and the tires are made from reconstituted rubber. The cost? Twenty bucks.
Building a hybrid rocket engine by combining clear acrylic with gaseous oxygen.
