Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. One of the biggest changes introduced with iOS 26 was noticeable as ...

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 ...

Before transistors or microchips, the earliest computers relied on vacuum tubes — glass bulbs that glowed like small light bulbs and acted as electronic switches. Each tube could represent a one or ...

Want to keep your food fresher for longer, while also cutting down on waste? Get one of Consumer Reports’ top-rated vacuum sealers. We tested seven to find the best little machines on the market. Our ...

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 ...

Talking about vacuum tubes in 2025 might seem like talking about the role of buggy whips in today’s transportation world; but that’s not the case. There’s no denying that these devices—called vacuum ...

The video explains the operation of the vacuum tube, specifically the triode, which is essential in modern communication devices like radios and telephones. It describes how a tungsten filament emits ...

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 ...

Linear, small-signal AC models can be useful in the analysis and design of vacuum-tube-based circuits. Under large-signal conditions, nonlinear models are typically required. Almost 120 years ago, ...

Starting at $2,995, the Fezz Audio Equinox Vacuum Tube DAC is the most affordable D/A converter with Lampizator technology. The new Fezz Audio Equinox Vacuum Tube DAC ($2,995) is the only Lampizator ...

In February of this year, we reported on the China Aerospace Science and Industry Corporation, and its phase one testing of a low-vacuum-tube hyperloop-style maglev ultra-high-speed (UHS) train. In ...