Evangelista Torricelli, one of the first to discover atmospheric pressure, once said, "We live submerged at the bottom of an ocean of the element air." The Earth's gravitational field is pulling ...

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 ...

Aristotle suggested that air was one of four elements that also included earth, water ... 1618: Issac Beekman compares air to water, and the pressure water exerts at depth, and comes up with ...