Collaborate Disseminate
The classic crystal radio was an oatmeal box with some wire and a few parts. [Michael Simpson] has something very different. He found an assembled Philmore “selective” radio kit. The …read more Continue reading Vintage Crystal Radio Draws the Waves
Even if you don’t like to build replicas of movie robots, you can often draw inspiration from cinema. Everyone knows Robby the Robot, Gort, and R2D2. But [Atomic Snack Bar] …read more Continue reading Obscure Sci Fi Robots
In the late 1800s, the stereograph — sometimes incorrectly called a stereopticon — was a big craze. You’d view two side-by-side images through some lenses and see a three-dimensional image. …read more Continue reading Old Time Stereographs Get New Photos
You can only imagine that when they made Star Trek back in the 1960s, they would have laughed if anyone suggested they’d still be making the show nearly six decades …read more Continue reading Serve Your Next Website with QuickBasic
If you have a late-model laptop, you’ve probably seen how the chargers magnetically snap into place. In theory, this should be easy to recreate for your own purposes. But why …read more Continue reading Print Your Own Magnetic Connector
We heard a story that after the recent hurricane, a man noted that while the house was sweltering hot because the power was still out, his kids were more anxious …read more Continue reading A History of Internet Outages
Between World War II and Y2K, shortwave listening was quite an education. With a simple receiver, you could listen to the world. Some of it, of course, was entertainment, and …read more Continue reading Ask Hackaday: Is Shortwave on Life Support?
Bash is great for automating little tasks, but sometimes a little script you think will take a minute to write turns into a half hour or more. This is the …read more Continue reading Linux Fu: Failing Pipelines
While fluid dynamics sounds like a dull topic, SoapFilmScope promises to make it fun by using your cell phone to observe the interactions between sound waves and liquid membranes. You …read more Continue reading Exploring Soap Films
To be clear, when we are talking about tubes, we mean ordinary cylinders, not vacuum-amplifying elements. With that out of the way, when we need a tube like that, we …read more Continue reading Need a Tube? Reach for Plywood!