For many in the tech arena, the iPhone has been, and likely always will be, the gold standard for handheld mobile devices. The smartphones were the very definition of "game changer" when they debuted ...

The ability to feel hopeful would seem to be key to your overall happiness and well-being. When you feel hopeful, you feel that good things will come your way. Conversely, one of the hallmark features ...

A: A barometer is a device to measure pressure. From the 17th to the 19th centuries, most designs had the same working principle: air pressure pushed down on an open column of fluid, which was allowed ...

Learn to build a simple barometer using a coffee can and plastic wrap to predict weather changes by measuring air pressure at ...