PID controller design has long been central to the stable and efficient operation of automatic voltage regulator (AVR) systems worldwide. Contemporary research in this field focuses on the ...

The best smart thermostats we've tested can control your home's heating and cooling with your phone or voice—and might help you save on energy costs. I’ve been working with computers for ages, ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Tax season is a stressful time of year for us all. Just as ...

Tired of your heating bill looking like a car payment? Knock the temp down ten degrees while you're at work. Mike De Socio is a CNET contributor who writes about energy, personal finance, electric ...

Euny Hong is the former supervising editor at Investopedia.com. She is also the author of two critically-acclaimed, published books. Dr. JeFreda R. Brown is a financial consultant, Certified Financial ...