HP-41C, the Forth Edition
If you have an HP-41 — arguably the best calculator ever made, you might not have noticed that there’s a version of Forth for it. The code was written a …read more Continue reading HP-41C, the Forth Edition
Author Archives: Al Williams
Retrotechtacular: The Original Weather Channel
The Weather Channel has decided to pull the plug on its automated weather display, a favorite experience for weather geeks everywhere. However, it wasn’t the original weather nerd TV station. …read more Continue reading Retrotechtacular: The Original Weather Channel
Hydraulic Press Channel Puts Nuts to the Test
Have you ever wondered how many threads a nut needs to be secure? [Hydraulic Press Channel] decided to find out, using some large hardware and a hydraulic press. The method …read more Continue reading Hydraulic Press Channel Puts Nuts to the Test
If Only the Kids Knew About Pipes
Being a parent is hard work. You need to prepare your child to operate in the world. Reading, writing, arithmetic, and how to make good choices are just the beginning. …read more Continue reading If Only the Kids Knew About Pipes
Whip up Some Homemade Artisanal Flux
You don’t think much about the power company until you flip the lights on and they don’t come on. The same can be said of soldering flux. You don’t think …read more Continue reading Whip up Some Homemade Artisanal Flux
3D Printering: Managing Multiple Printing Profiles
I know people who have 3D printers that are little more than appliances. They buy it, they print with it, and they don’t change much of anything. That doesn’t describe …read more Continue reading 3D Printering: Managing Multiple Printing Profiles
3D Printering: Managing Multiple Printing Profiles
I know people who have 3D printers that are little more than appliances. They buy it, they print with it, and they don’t change much of anything. That doesn’t describe …read more Continue reading 3D Printering: Managing Multiple Printing Profiles
In Our Own Image: Do We Need Humanoid Robots?
Science fiction is full of things you don’t want to think too hard about. Why do starships with transporters have brigs with forcefields? Why not just beam a prisoner into …read more Continue reading In Our Own Image: Do We Need Humanoid Robots?
Classic DOS Games on an Arduino?
It has been a while since we’ve seen a 86Duino, but [TheRasteri] reminded us about it, with his video showing how to use one to run classic MS-DOS games. To …read more Continue reading Classic DOS Games on an Arduino?
PETamentor2 Is Latest To Turn Bottles Into Filament
[Ondřej Šraitr] has several videos, including the one you can watch below, about his PETamentor2 — a machine for turning PET bottles into printable filament. You can grab the files …read more Continue reading PETamentor2 Is Latest To Turn Bottles Into Filament