[Alexander Lang] has added another achievement to the 555’s repertoire, he’s used one in the creation of a plasma speaker. Working at Hackspace Manchester, he’s used the 555 as a pulse-width ...

For most of us, vacuum tubes haven’t ... along with a host of other tubes. These will all be aimed at a much broader market: professional audio gear and guitar amps, which have long coveted ...

Vacuum tubes are still used in specialized engineering applications such as high-power radio frequency transmitters, audio amplification, and in some display devices. Vacuum tubes act as insulted, ...

A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends ...

The telephone company had problems with vacuum tubes, too, and hoped to find something else to use for switching telephone calls. The idea of somehow using semiconductors (solid materials such as ...

iZotope has announced the release of a new plugin that it says is the "world's first" intelligent tube ... of the audio or to focus exclusively on transients or sustained elements. Plasma ships ...

Image credit: Handbook of Modern Sensors Ionization gauge Vacuum gauges which use ions are similar to vacuum tubes. The relationship between the ion current and the filament is a nearly linear ...

The first of five vacuum vessel sectors for the International Thermonuclear Experimental Reactor (ITER) has been completed.

Amazon’s Echo line of smart speakers and voice assistant Alexa cannot call 911 for you. They won't reliably report your location and don't offer a callback number, so they don't meet the ...

Learn more› by Sabine Heinlein Only a powerful plug-in upright or canister vacuum can truly deep-clean your carpets and floors. We recommend four. by Sabine Heinlein Robot vacuums never get ...

Here’s how it works. A great robot vacuum can save you both time and effort. As a TechRadar Homes Editor specializing in floor-cleaning appliances, I spend plenty of time reading and writing ...

October 2024 A small apartment with a few area rugs has very different vacuum needs than a 2,000-square-foot house with wall-to-wall carpeting. The right vacuum for you also depends on your ...