Atmospheric Optics: 1/r^2 Simple beam area demonstration. 4. Atmospheric Optics ... Doppler Effect 14. Drinking Ducks: Vapor pressure, evaporation, volatility. 15. Ekman Layers: Horizontal convergence ...

Watch this fascinating demonstration of air pressure at work. Notice how the egg vibrates as the heated air escapes around it, and how it gets smoothly pushed into the bottle by atmospheric pressure.

Why? Because of the many factors which affect atmospheric pressure. Pioneering scientists discovered atmospheric pressure (also known as barometric or air pressure) in the 17th century ...

As the hot steam cools and condenses to water, a vacuum is created inside the can and atmospheric pressure will crush it. 250 ml water to a 5 gallon can 20 min to boil, 1 or 2 min to collapse.

How to Make a Vacuum Pump A vacuum cannon is an interesting physics demonstration that shows how much atmospheric pressure there is at the earths surface, though we do not feel it because our ...

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 ...