Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal with the poor dielectric properties of air, some high-end variable ...

Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal with the poor dielectric properties of air, some high-end variable ...

Nanomechanical systems developed at TU Wien have now reached a level of precision and miniaturization that will allow them to be used in ultra-high-resolution atomic force microscopes in the future.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Sabine Heinlein Sabine Heinlein covered floor care. Keeping her multi-pet home ...

Variable life insurance, also called variable appreciable life insurance, provides lifelong coverage, as well as a cash value account that you get to decide how to invest. Variable life insurance ...

Whether it's the trail of biscuit crumbs left by the kids or the muddy aftermath of a dog walk, keeping a pristine car interior can feel like a constant battle. Hauling your heavy upright vacuum ...

We’ve written about vacuum cleaners a lot. Take a peek at our archives and you’ll find buying guides for just about every type of vacuum, from the general to the granular. We’ve spoken to cleaning ...

Dog and cat owners know that pet hair shows no mercy. It somehow ends up in every corner of your home and covers the floor, furniture and even your clothing. To ensure you’re always on the offensive ...

Abstract: The 2-kV photovoltaic (PV) system is widely regarded as the next evolution for megawatt-scale PV systems, enabling higher rated power. This article proposes a novel variable-level (VL) ...

Abstract: Reactive power compensation in power systems is crucial for improving the grid's power factor, reducing line losses, and enhancing the quality of electric energy. Shunt capacitor ...