Collaborate Disseminate
Like many people [Dan Greenall] spent a lot of time in the 1970s listening to shortwave radio. While you often think of that as a hobby involving listening to broadcast …read more Continue reading Mystery Signal! Are You Ready for Your Mystery Signal?
[Mellow Labs] wanted a smart washer and built a simple controller. However, he found out after a few weeks it wasn’t working how he wanted. The detergent quit flowing, and …read more Continue reading DIY Smart Washing Machine Redeisgn
[Mr. Carlson] has been restoring vintage military radios, and as part of his quest, he received an ART-13 transmitter. Before he opened the shipping box, he turned on the camera, …read more Continue reading Life Imitates ART (ART-13, That Is)
It used to be that building the Linux kernel was not easy. Testing and debugging were even worse. Nowadays, it is reasonably easy to build a custom kernel and test …read more Continue reading Linux Fu: Easy Kernel Debugging
Analog computers have been around in some form for a very long time. One very obvious place they were used was in military vehicles. While submarine fire computers and the …read more Continue reading Computer Gear with — um — Gears
It used to be only high-end test equipment that had some sort of remote control port. These days, though, they are quite common. Historically, test gear used IEEE-488 (also known …read more Continue reading How to Talk to Your Scope
We’ll admit we’ve kicked around the idea of a camera that digitally signs a picture so you could prove it hasn’t been altered and things like the time and place …read more Continue reading A Camera That Signs Off Your Pictures
You’ve seen it in movies and shows — the hero takes a blurry still picture, and with a few keystrokes, generates a view from a different angle or sometimes even …read more Continue reading 3D Human Models from a Single Image
If you’ve ever set a telescope up in your backyard, you probably learned how quick any kind of lighting ruins your observation. In fact, a recent study found that every …read more Continue reading Fixing Astronomy in the Blink of an Eye
Have you ever wondered how induction cooking works? A rotating magnetic field — electrically or mechanically — induces eddy currents in aluminum and that generates heat. When [3D Sage] learned …read more Continue reading Cooking with Magnets and 3D Printing