Collaborate Disseminate
If you were around when the Altair 8800 was king, you might remember the name Cromemco. They were an early vendor of add-ons for the Altair, along with companies like …read more Continue reading An Odd Home Computer From the 1980s
There are many well-known physical constants, but it always interests us when someone can approximately measure them using equipment you probably have. We could pretend it is because we want …read more Continue reading Measuring Planck’s Constant (Again)
You’ve probably heard the old saying that if it looks like a duck, and it quacks like a duck… So when is a keyboard a mouse? When software makes it …read more Continue reading Transforming a Keyboard to a Mouse in Software
A 1TB drive fails. How do you recover the data? If you are like us, you imagine a high-tech lab with serious-looking technicians and engineers. [John Graham-Cumming] managed it in …read more Continue reading Data Recovery in the Woodshed
I recently dropped in on one of the Vintage Computer Festival events, and it made me think about why people — including myself — are fascinated with old computer technology. …read more Continue reading Ask Hackaday: Why Retrocomputing?
We knew the mirrors in our house were not really very good mirrors, optically speaking. Your mirror eats up 20 to 40 percent of the light that hits it. High-quality …read more Continue reading Dielectric Mirror Shines Bright
Harry Daghlian and Louis Slotin were two of many people who worked on the Manhattan Project. They might not be household names, but we believe they are the poster children …read more Continue reading Screwdrivers and Nuclear Safety: The Demon Core
Do you know how you see those cheap telescopes at the department store? The box has beautiful pictures that probably came from the Hubble. What you will see is somewhat …read more Continue reading Low Res Arduino Thermal Camera
A speaker project isn’t usually very different, but we couldn’t help but notice [Electronoob’s] latest speaker not for its audio performance but because it features dancing ferrofluid and is an …read more Continue reading A Speaker with Dancing Ferrofluid
What to learn the internals of the Linux kernel? Version 6.5-rc5 has about 36 million lines of code in it, so good luck! [Seiya] has a different approach. Go back …read more Continue reading Linux Kernel from First Principles