The air would be so thin that even the best climber would have no choice but to use supplemental oxygen. Why? Because of the many factors which affect atmospheric pressure. Pioneering scientists ...

Understanding atmospheric pressure is vital, newsroom meteorologist Justin Ballard said, because those giant H’s and L’s representing high and low air pressure systems on a weather map are ...

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 ...

Model the Earth’s atmosphere—and the atmospheres of other planets—in order to solve some of the most vexing problems facing environmental scientists today. Using state-of-the-art equipment, ...

Air molecules colliding with a surface cause atmospheric pressure. Atmospheric pressure at sea level is about 101,000 Pa (101 kPa) but just 27,000 Pa (27 kPa) at the cruising altitude of a ...

The air above the poles is cold. The cold air sinks creating high pressure. The air moves towards the equatorial low-pressure zone, and warms up when it meets the land or ocean. At around 60 ...

In the northern Sierra Nevada, snow will fall in feet — not inches. And in the Northern California Coastal Range, a general 5 ...