Just when did USB ports become such a complete mess? They're easy to follow on the surface, with two relevant types to pay attention to. But if you look closer, they're all kinds of confusing. There's ...

Follow ZDNET: Add us as a preferred source on Google. Have a USB device near you? Look closely at the port -- do you see a color? It turns out that it actually means something. There's a standardized ...

During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...

The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations for ...