After a brief consideration of shot effect and resistance noise, a section of 142 pages is devoted to electron optics and the cathode ray tube ... a résumé of high-vacuum practice, based ...

Originally pitched by Elon Musk in a 2013 white paper, the Hyperloop concept involves train-like vehicles traveling at high speeds through vacuum-sealed tubes, coasting along via magnetic levitation.

Cameras are a funny rabbit hole to fall down as a hacker, because we have well over a century of items to pick and choose from, a lot of which can be had for relative pennies. In my case I have ...

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 ...

Learn more Many cordless vacuum cleaners are only meant to be used as supplementary cleaning tools for quick tidying around the house, as they have limited runtime and modest suction power.

Graphite One (TSXV: GPH) has been earmarked for a potential $325 million financing from the Export-Import Bank of the United States (EXIM) to support its production of battery anode materials.

Here’s how it works. The best vacuum cleaner will suck up dirt and debris in no time and be powerful enough to make light work of tough tasks. Not only should they keep your floors spotless ...

As any seasoned Londoner will know, Tube strikes are just as much part of the fabric of city life as the London Underground itself. At first, we were told the latest swathe of strikes had been ...

Well, almost all lithium-ion batteries in cars right now have anodes—part of the battery’s negative terminal—made of graphite, which is really the only anode material that’s ever been used ...

Battery tech firm ProLogium has taken the wraps off its 100% silicon composite anode battery. The Taiwanese company claimed a major leap in energy density and charging efficiency, promising 186 ...

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