A computer, at its simplest, is a sophisticated input and outlet machine. But there is only so much it can do. It can't print a document on a piece of paper — there's a dedicated machine for that. A ...

Welcome to Tech Talk, a weekly column about the things we use and how they work. We try to keep it simple here so everyone can understand how and why the gadget in your hand does what it does. Things ...

With the growing number of devices that most people use today, be it smartphones, smartwatches, laptops, wireless earbuds, and other gadgets, charging them quickly and efficiently becomes important.

Oliver Haslam has been writing about phones, computers, games, and anything else that takes a battery or plugs in for more than he'd like to admit. With a focus on mobile and laptops, Oliver is never ...