Collaborate Disseminate
It isn’t just a spy movie trope: secret messages often show up as microdots. [The Thought Emporium] explores the history of microdots and even made a few, which turned out …read more Continue reading Spy Tech: Making Microdots
Have you ever heard of Fordite? It was a man-made agate-like stone that originated from the Ford auto factories in the 1920s. Multiple layers of paint would build up as …read more Continue reading Laser Art Inspired by the Ford Motor Company
[Mellow_Labs] wanted an Everything Presence Lite kite but found it was always out of stock. Therefore, he decided to create his own. The kit uses a millimeter wave sensor as …read more Continue reading Roll Your Own Presence Sensor
Some old computer languages are destined to never die. They do, however, evolve. For example, Fortran, among the oldest of computer languages, still has adherents, not to mention a ton …read more Continue reading A Modern Take on an Old Language
In a recent video, [Joel] of 3D Printing Nerd interviews a researcher at University of California, Berkeley about their work with glass 3D printing technology. A resin is impregnated with …read more Continue reading UC Berkeley Prints Glass Nanoparticles
We live in a time where there’s virtually no excuse not to have some kind of oscilloscope. As [IMSAI Guy] shows in a recent video, for what you might expect …read more Continue reading Handheld Oscilloscope Meter Reviewed
It is funny how when you first start doing something, you have so many misconceptions that you have to discard. When you look back on it, it always seems like …read more Continue reading Laser Cutters: Where’s the Point?
How hard is it to make a fully standalone SDR? [101 Things] shows you how to take a breadboard, a PI Pico, and two unremarkable chips to create a capable …read more Continue reading Pi Pico SDR on a Breadboard
If you make anything that moves, like a robot, you quickly realize that turning can be a pain. That’s why there are a number of designs for wheels that can …read more Continue reading Inside the Mecanum Wheel
Printing a model jet engine is quite an accomplishment. But it wasn’t enough for [linus3d]. He wanted to redesign it to have a turbojet, an afterburner, and a variable exhaust …read more Continue reading 3D Printed Jet Engine Goes Turbo