Collaborate Disseminate
Nixie clocks are nothing new. But [CuriousMarc] has one with a unique pedigree: the Apollo Program. While restoring the Apollo’s Central Timing Equipment box, [Marc] decided to throw together a …read more Continue reading The Nixie Clock from Outer Space
There’s an old magic trick known as the miser’s dream, where the magician appears to pull coins from thin air. Australian scientists say they can now generate electricity out of …read more Continue reading Enzymes Make Electricity from Thin Air
[Ben Z] loves the Sphere computer, a very early entry in the personal computer boom of the mid 1970s. The 6800 CPU was unique in its day that it was …read more Continue reading A Love Letter to the Sphere Computer
If you can explain what a USB PID, a J state, a K state, and an SOF are, you can probably stop reading now. But if you don’t know or …read more Continue reading The USB Protocol, Explained
[Big Clive] picked up a keychain battery to charge his phone and found out that it was no bargain. Due to a wiring mistake, the unit was wired backward, delivering …read more Continue reading That Cheap USB Charger Could be Costly
When we write about retrocomputers, we realize that back in the day, people knew all the details of their computer. You had to, really, if you wanted to get anything …read more Continue reading Videos Teach Bare Metal RP2040
A solder fume extractor is something we could probably all use. While there isn’t much to them, [Steven Bennett] put a lot of thought into making one that was better …read more Continue reading Power Tool Battery Fume Extractor
If you are manufacturing something, you have to test it. It wouldn’t do, for example, for your car to say it was going 60 MPH when it was really going …read more Continue reading Measuring a Millisecond Mechanically
In the 1950s, computers were, for the most part, ponderous machines. But one machine offered a glimpse of the future. The Volscan was probably the first real air traffic computer …read more Continue reading The First Gui? Volscan Controls the Air
If you want to see inside an integrated circuit (IC), you generally have to take the die out of the package, which can be technically challenging and often destroys the …read more Continue reading [Bunnie] Peeks Inside ICs with IR