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 ...

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 ...

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

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

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 ...

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

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 ...

E-bikes combine a bicycle with a big lithium battery, a speed controller, and a motor. What you get from that combination is simple, efficient transportation. [Tom Stanton] wanted to build an e ...

In the last two articles, I talked about two systems relying on audio notifications. The first one is the Alt-Tab annihilator system – a system making use of my window monitoring code to angrily ...

This week’s Hackaday podcast has a European feel, as Elliot Williams is joined by Jenny List for a look at the week’s happenings in the world of cool hardware hacks. Starting with the week’s ...

They simply don’t make them like they used to, and in the case of this retro LX system build, they only make what never existed in the first place. Earlier this year the long awaited video game ...