Capacitors are small but powerful components that temporarily store electrical energy. This video explains how they charge ...

Part 2 goes further into the methods that can help lower EMI in switched-cap designs, including implementation of active EMI filters and visible light communication. Part 2 delves further into why ...

The role of X- and Y-capacitors and where they’re mandated. How versions in surface-mount packages ease production flow. The key parameters of these capacitors in their unique roles. Designing a new ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Somer G. Anderson is CPA, doctor of accounting, and an accounting and finance professor who ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

It has been a long and busy day. You get home with a nearly dead smartphone battery and finally plug it in, only to find out that it isn’t charging anymore! It’s normal to freak out for a bit, but don ...

The main differences between charge cards and credit cards come down to the amount you can spend and how payments are structured. Charge cards come with no preset spending limit and require you to ...

As a consumer, you have the right to dispute a credit card charge for a variety of reasons. First do your own investigation and try working with the merchant to resolve the issue. If you must file a ...

This Review discusses the use of conducting polymers as anodes and cathodes in zinc- and alkali-ion hybrid capacitors, including their ability to support charge storage mechanisms, as a sustainable ...

Researchers have developed an innovative water-integrated floating droplet electricity generator (W-DEG) for energy harvesting. The device utilizes natural water as both the substrate and bottom ...

Pennsylvania just opened its first federally funded EV charging station on the Pennsylvania Turnpike — a key step toward making long-distance EV travel easier across the state.