The Bendix G-15 refurbished by [David at Usagi Electric] is well known as the oldest digital computer in North America. The ...

Even in the early days of the Cold War, it quickly became apparent that simply having hundreds or even thousands of nuclear ...

We often marvel at the many things a 555 can do. But [Zafer Yildiz] shows us that it can even take the place of a PCB. You’ll ...

Pointing at stars may seem easy on the surface—just mount a telescope to a tripod and you’re done, right? As anyone who’s ...

If you’ve been following along our USB-C saga, you know that the CC wire in the USB-C cables is used for communications and polarity detection. However, what’s not as widely known is th… ...

For those living in the continental US who, for whatever reason, don’t have access to an NTP server or a GPS device, the next best way to make sure the correct time is known is with the WWVB … ...

Admit it. You’d get through boring classes in school by daydreaming of cool things you’d like to build. If you were like us, some of them were practical, but some of them were flights o… ...

IBM mainframes are known for very unusual terminals. But IBM made many different things, including the IBM 3151 ASCII terminal, which uses a cartridge to emulate a VT220 terminal.

Gaming on a Nintendo DS can bring back great memories of long car trips from the past. But looking back, we remember wishing to play more than the DS could ever hope to handle. [fami] looks into th… ...

Another day, another Internet-connected gadget that gets abandoned by its creators. This time it’s Jooki — a screen-free audio player that let kids listen to music and stories by placin… ...

If you use Inkscape to lay out your laser cutter designs you might want to look into this box maker extension. Inscape is [Elliot’s] drawing software of choice since it’s easy to use, a… ...

Do you love Nixie Tubes? Upset that they aren’t really manufactured anymore, and the cost of old ones is rising? Why not make your own? That’s exactly what [Dalibor] of the Czech Republ… ...