The “Marauder’s Map” is a magical artifact from the Harry Potter franchise. That sort of magic isn’t real, but as Arthur C.

For most of us who are not astronomers, the image that comes to mind when describing a reflecting telescope is of a huge instrument in its own domed-roof building on a mountain top. But a ...

Flux is one of those things that you cannot really use too much of during soldering, as it is essential for cleaning the ...

The holidays are rapidly approaching, and you probably already have a topic or two to argue with your family about. But what ...

Back in the early days of Linux, there were multiple floppy disk distributions. They made handy rescue or tinkering ...

Recently, [Jeff Geerling] dropped into the bad press feeding frenzy around Sipeed’s NanoKVM, most notably because of a ‘hidden’ microphone that should have no business on a ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you ...

Although something that’s taken for granted these days, the ability to perform floating-point operations in hardware was, for ...

The Nintendo Switch dock set a new bar for handheld docking user experience – just plug your console in to charge it, output image to your monitor, and keep it working with any USB peripherals of your ...

If you wanted to build an electronic dice, you might grab an Arduino and a nice OLED display to whip up something fancy. You could even choose an ESP32 and have it log your rolls to the cloud. Or, you ...

Nothing lasts forever, and that includes the ROMs required to make a retrocomputer run. Even worse, what if you’re rolling your own firmware? Period-appropriate EPROMs and their programmers aren’t ...

Want to visualize radioactive particles? You don’t need a boatload of lab equipment. Just a cloud chamber. And [Curious ...