You often hear that 3D printing always takes hours to produce a project. However, this is a preconception that is often not true. Not only are 3D printers for home use becoming faster and faster, but ...

Thanks to a small plastic adapter, iPhone owners can take their micro-SIM card and use it with another cell phone. Kent was a senior managing editor at CNET News. A veteran of CNET since 2003, he ...

The SIM cards that fit into those tiny slots in your cell phone and tell your cellular network to whom your calls are to be charged come in four different sizes. With the only real difference between ...