Download this article in PDF format. Switching losses are inevitable in any power device. But these losses can be minimized through optimization and rigorous measurement of design parameters related ...

The units were backed by the C.I.A. and trained to conduct missions in Afghanistan during the U.S. war in the country. By Jonathan Wolfe Elian Peltier Thomas Gibbons-Neff and Fahim Abed The man ...

Before Rahmanullah Lakanwal settled in a quiet part of Washington state, he was part of a secret unit of Afghans who operated under CIA direction and hunted down Taliban commanders in highly dangerous ...

Ahmad Mukhtar is a producer for CBS News based in Toronto, Canada. He covers politics, conflict and terrorism, with a focus on news from Canada and his home nation of Afghanistan, which he left ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...

Carley Millhone is a writer and editor based in the Midwest who covers health, women's wellness, and travel. Her work has appeared in publications like SELF, Greatist, and PureWow. Jay N. Yepuri, MD, ...

If you have trouble breathing, your doctor may recommend a few tests to figure out what’s causing it. Some measure how much air you breathe in or out or how much oxygen is going from your lungs to the ...