And now, a word from Stefan Antonowicz, our Director of Technology, freshly reformatted, reinstalled, and ready to rumble. — Gareth After the debacle of our last site migration attempt, after I’d been coaxed out from under my desk, heavy with geek shame, I’d exiled myself to the Principality of Sealand. I’ve had a passport there […]
By George Hart for the Museum of Mathematics The rise of personal rapid prototyping machines, such as the Makerbot, RepRap, or Fab@Home, allows one to make a variety of geometric models. Polyhedral models, such as this 5 cm ABS dodecahedron, are fairly straightforward. Next is an 8cm model of a hyperboloid of one sheet, showing […]
Give your gadgets a brain! Previously out of reach for the do-it-yourselfer, the tiny computers called microcontrollers are now so cheap and easy to use that anyone can make their stuff smart. It’s called “physical computing” — with a microcontroller, your gadget can sense the environment, talk to the internet or other gadgets, and make […]
Randy Sarafan writes: Have you ever wished lunchtime were longer, but didn’t know where to find those few extra minutes? Well, wish no longer! Thanks to great in advances in clock technology, I present to you a clock that speeds up 20% every day at 11:00 and slows down 20% every day at 11:48, giving […]
Over the past year, we’ve had some amazing DIY fashion projects here on CRAFT. Since we’re celebrating all things fashion this month, I thought I’d take us on a stroll down memory lane and showcase some of our best fashion how-tos. Enjoy! Cardiganize an Old Pullover by Linda Permann Shirred Pillowcase Top by Betz White […]
Mrfixits writes: This Valentine instructable shows a pair of Hearts that unite to become one! The homopolar motor is the simplest form of electric motor, consisting of a battery, a conductor, and a magnetic field. The flat Heart shape is the most basic of homopolar motors. The Heart with legs is the next most simple […]
“iHop” is a toy robot that can hop. It uses two independently actuated arms in order to simultaneously hop and balance in the lateral plane. The “sagittal” plane is stabilized by torque applied to the two drive wheels (note that the wheels are, for the most part, stationary due to the lack of disturbances about […]
