But did you know that pi has an evil twin represented by the symbol ϖ? As [John Carlos Baez] explains, it and its related ...

If we’ve learned anything over the years, it’s that the only thing hardware hackers love more than a device festooned with ...

An unfortunate reality of pre-1990s computer systems is that any manuals and documentation that came with them likely only ...

Filip] got his hands on a sweet old Hammond X5 organ, but it had one crucial problem: only half of the keys worked. Each and ...

Corelatus] said recently that “someone” asked them to identify the phone signals in the 1982 film The Wall, based on the Pink ...

You wouldn’t typically associate graphing calculators with artificial intelligence, but hacker [KermMartian] recently made it ...

To celebrate the twentieth anniversary of their Trinitron line of televisions, Sony launched the KX-45ED1. At forty three inches the screen on this particular model made it the largest tube ...

We all know and love the humble seven-segment display, right? And if you want to make characters as well as numbers, you can do an okay job with sixteen segments off the shelf. But if you want ...

In the first M.2 article, I’ve described real-world types and usecases of M.2 devices, so that you don’t get confused when dealing with various cards and ports available out there. I’ve also ...

The Fairchild Republic A-10 “Warthog” with its 30 mm rotary cannon has captured the imagination of friendly soldiers and military aviation enthusiasts on the ground for as long as it’s been ...

I’ve stated it before on Hackaday but one of the most interesting engineering challenges posed to me this year was “how could you store enough energy to power a decent portion of a home for ...

Radar made a huge impact when it was first invented, allowing objects to be detected using radio waves which would normally be difficult or impossible to observe through other means. Radio waves ...