Short demo: The fan in a vacuum pushes air out, creating a system of low pressure. This in turn creates a system of low pressure within the bag, allowing for an entertaining demonstration of the power ...

Introduction Have you ever watched a weather forecast on TV? If so, you might have noticed the letters "H" and "L" moving around on the weather map. They are often referred to as zones of "high ...

Put Mt. Everest (28 deg North) at the latitude of Mt. McKinley (63 deg North) in the United States and it is likely that no climber would ever have been able to reach the summit breathing the natural ...

A version of this article first appeared on NOVA's Web site Everest. Put Mt. Everest (28 deg North) at the latitude of Mt. McKinley (63 deg North) in the United States and it is likely that no climber ...

Barometric pressure sensors measure atmospheric pressure in a variety of applications, providing crucial data for weather forecasting, altitude measurement, and environmental monitoring. In the field ...