Recent content by yunocell

So if I go outside and I get a container and a piece of paper, and I put the piece of paper on top of the container to seal it, does that mean that the inside of the container is 14.7psi (atmospheric pressure) just like the outside?

Ok, I think I understand now. Thanks for the answer!

From what I know, the pressure of a gas is due to the collisions of its molecules against a surface. So I don't understand why atmospheric pressure is measured by taking the weight of all the air molecules above a surface including the ones that aren't contacting it. Gases have plenty of space...