Collaborate Disseminate
It used to be that calipers were not a common item to have in an electronics lab. However, smaller parts, the widespread use of 3D printers and machining tools, and …read more Continue reading Are You Using Your Calipers Wrong?
In theory, water and electric current will cause electrolysis and produce oxygen and hydrogen as the water breaks apart. In practice, doing it well can be tricky. [Relic] shows an …read more Continue reading Pulling Hydrogen out of the Water
If you want to remap some mouse or keyboard keys, and you use Linux, it is easy. If you use Windows or another operating system, you can probably do that …read more Continue reading Remapping HID for Fun and… Well Fun
In 1962, unlike today, most things didn’t have computers in them. After all, the typical computer of the day was a fragile room-sized box that required a gaggle of high …read more Continue reading Learning How a Nuclear Missile Stays on Target
We love it when we find someone on the Internet who has the exact same problem we do and then solves it. [Hyperspace Pirate] starts a recent video by saying, …read more Continue reading Machining Copper from Algaecide
Diamonds are nearly perfect crystals, but not totally perfect. The defects in these crystals give the stones their characteristic colors. But one type of defect, the NV — nitrogen-vacancy — …read more Continue reading Quantum Sensor Uses Synthetic Diamond
In the movie Conan the Barbarian, we hear a great deal about “the riddle of steel.” We are never told exactly what that riddle is, but in modern times, it …read more Continue reading Categorizing Steel
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