Robot vacuum cleaners have become a lot more sophisticated at detecting and avoiding obstacles, not to mention following preset paths and deviating from them where necessary. It's a greater challenge, ...

If you work on simple digital projects, just about any bench supply will offer the voltage and current you’re looking for. However, if you’re working with valves, you’ll often find yourself needing ...

Marked: "DAYRAD Tube Checker / Mfd. by the Radio Products Co., Dayton, Ohio. / Licensed Under Weston Patent 1704566 Type B". Includes leather carrying strap. Tube tester designed for A.C. plug in ...

There you are at the surplus store, staring into the bin of faded orange, yellow, red, and black, boxes–a treasure trove of vintage vacuum tubes—dreaming about building a tube amp for your guitar or a ...

In a defence tech laboratory in Beijing, a research team powers up a vacuum tube about the size of a pistol. Inside, a stream of electrons surges through thin coiled wires, amplifying microwave pulses ...

Vacuuming sucks—but not if your vacuum is clogged. In that case, instead of collecting dirt, dust, pet dander and whatever else has found its way onto your floor, it leaves some of that debris ...

In this video, I’ll show you how to make your own smoke test machine to quickly and easily detect leaks. A smoke machine makes diagnosing vacuum leaks fast and hassle-free—watch now to see how it’s ...

In a major breakthrough in transport technology innovation in India, IIT Madras has successfully developed a 410-meter-long Hyperloop test track, Minister for Railways Ashwini Vaishnaw said on ...

Given appropriate models for vacuum tubes, circuit simulators such as SPICE make analysis based on such nonlinear models a tractable effort. The Langmuir, Leach, and Koren models are discussed for the ...

China has carried out another test run of its maglev hyperloop project that is designed to reach a top speed of 1,000km (621 miles) per hour. It was the first time the integration of the train’s ...