There are few things more dispiriting than wearing a new pair of shoes on a bad weather day, then coming home and finding water stains or rings of road salt once they’ve dried. Although there ...

Abstract: This paper proposes a dual-band wireless power receiver capable of both kHz-band and MHz-band wireless charging. The proposed rectifier automatically switches between two charging modes ...

A tuned circuit formed by a capacitor and an inductor is a familiar enough circuit ... at which they can be designed for an extremely high Q factor, a measure of quality, and thus a very narrow ...

There's no question about it, knowing how to measure your bra size is something women everywhere should be taught how to do. Why? Well, when it comes to shopping for bras, strapless bras or sports ...

Traditionally, capacitors are like really bad rechargeable batteries. Supercapacitors changed that, making it practical to use a fast-charging capacitor in place of rechargeable batteries.