This is an oldie, but oh, man is this ever good. It’s a Nixie clock made without a microcontroller. In fact, there aren’t any logic chips in this circuit, either. As far as we can tell, the logic in ...

An appeals court left in place on Wednesday a federal judge’s order extending to the end of the month the data collection operations for the 2020 census. But the appellate decision was nonetheless a ...

The project is a mere replication of the counting circuit used in Iron Man 2 by Ivan Vanko during his escape in Mexico Prison. To achieve the goals of the project, the combination of 555 timers, 7400 ...