Abstract: A tutorial overview is presented on the principles of operation, physical modeling, and design procedures for the class of planar radiators known as Fabry-Perot cavity antennas (FPCAs), with ...

Procter & Gamble has begun rolling out new packaging and marketing for Crest children's toothpaste under an agreement with ...

Do you need to repay your PPP loan? Matt Webber is an experienced personal finance writer, researcher, and editor. He has published widely on personal finance, marketing, and the impact of technology ...

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 ...

This toothbrush has four cleaning modes that adjust its vibrations, two swappable pieces that change it into a dedicated ...