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.

For the most impressive bubbles, experiment with the volume of ... pressure by tapping the valve or unscrewing the bottle cap, the bottle air pressure - outside the bubbles - goes down.

Well, a cool experiment as long as you are not the one who gets wet. So, why does the straw matter? As the pressure in the plane's cabin decreases, the volume of air inside the bottle expands ...

When Max Koch opened a bottle of homebrew beer one afternoon in Göttingen, Germany, he wasn’t just cracking open a drink. He ...