Powering a TV remote with the sun means you won’t have to buy batteries every six months to surf from your sofa. Low-voltage devices that use power only occasionally, like...
Posted by Paul Spinrad
Categories: Energy, Electronics | 1 Comment
While reading through Charles Platt’s excellent book Make: Electronics, I came across this nice little circuit for making a gentle pulsing LED. I was struck by the “humanness” of the...
Posted by Quinn Dunki
Categories: Electronics | No Comments
OK, so it’s not, actually. Bulletproof, that is. But with 3/32″ aluminum sheet covers, nickel-plated steel piano hinges, and all-riveted construction, it’s a damn sight tougher than just about any...
Posted by Sean Michael Ragan
Categories: Home | No Comments
The HeliRocket is propelled by a standard model-rocket engine, but instead of the engine’s ejection charge deploying a parachute, it releases the rocket’s 3 tail fins. The fins then swing...
Posted by Doug Desrochers
Categories: Fun & Games, Home | No Comments
I’m fascinated by sous vide cooking, in which foods vacuum-sealed in plastic are immersed in a precisely temperature controlled hot water bath to achieve optimal doneness. But most sous vide...
Posted by Scott Heimendinger
Categories: Food & Beverage, Computers & Mobile | 21 Comments
My girlfriend got a microscope packed in a really nice wooden box, which also provides space for all the additional lenses and working materials. But the uses for the microscope...
Posted by nuess0r
Categories: Tools, Workshop | No Comments
Build a coffin-shaped card box. Cards get inserted, the spirits get excited!
Posted by Rich Reynolds
Categories: Electronics, Home | No Comments
Spook your friends with this monster-popping trick hat!
Posted by Dug North
Categories: Electronics, Home | No Comments
Magnetic stirring on the cheap!
Posted by Sean Michael Ragan
Categories: Food & Beverage, Science | No Comments
Use an off-the-shelf home air purifier to culture and grow mushrooms.
Posted by Philip Ross
Categories: Science | 3 Comments
Inside your webcam is an imager chip with thousands of sensors, each much smaller than a hair. Replace the lens with an LED, place a sample directly on the the...
Posted by Tom Zimmerman
Categories: Computers & Mobile, Photography & Video, Science | No Comments
Use the label as a built-in resist!
Posted by Sean Michael Ragan
Categories: Art & Design, Home | No Comments
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