Collaborate Disseminate
In the “don’t try this at home” category, [Joe Smith] builds a spark gap transmitter with a twist. The twist is that the drive power is from a signal generator …read more Continue reading Modern Spark Gap Transmitter Uses a Rotary Gap
We’ve enjoyed several videos from [Chornobyl Family] about the computers that controlled the ill-fated nuclear reactor in Chornobyl (or Chernobyl, as it was spelled at the time of the accident). …read more Continue reading Fast Paper Tape for the Nuclear Family
It is one thing to make an artistic steampunk display. But [CapeGeek] added an Arduino to make the display come alive. The display has plenty of tubes and wires. The …read more Continue reading SteamPunk Factory Comes to Life with an Arduino
[ModBot] has been trying different engineering plastics for 3D printing. He recently looked at carbon fiber mixed with PET, but this time, he shows us his results with PET with …read more Continue reading Printing with Glass Fiber Filament
When you design your first homebrew CPU, you probably are happy if it works and you don’t worry as much about performance. But, eventually, you’ll start trying to think about …read more Continue reading Clockhands For Faster CPU Execution
Hey, what if you could have a factory that makes robots that is run by… robots? This is hardly an original thought, but we are a long way from having …read more Continue reading Nanobots Self Replicate
[Thomas] picked up a Marconi TF1245 with dents and dings. We have to admit that we had not heard of a “circuit magnification meter,” but apparently, this was a thing …read more Continue reading Marconi Circuit Magnification Meter Gives Up Secrets
How many terminals does a MOSFET have? Trick question since most have three leads, even though there are really four connections to the underlying device. It isn’t a conspiracy, though …read more Continue reading MOSFETs — the Big Lie
Part of the magic of the movies is that the actors always know what will happen next. There never has to be a scene where [James Bond] orders wine, and …read more Continue reading Fail of the Week: [Mark] Makes an Atari Cartridge
If you are a certain age or just like retrocomputers, you probably have a soft spot for good old-fashioned BASIC. If you miss those days but don’t want to install …read more Continue reading BASIC in Your Browser