Barometers are devices that measure atmospheric pressure (also known as “air pressure” or “barometric pressure”). You can use these readings to predict the weather. For instance, high pressure ...

I've had a couple of recent e-mails asking about barometer readings, what they measure and what those readings mean. What a barometer measures is the weight of the air above it. The standard ...

When I wrote about the hidden sensors on Android phones, the two sensors that stood out the most were a magnetometer that turns your phone into a metal detector and a barometer, which is supposed to ...