I can tell that space is real by measuring the gap between any two objects and/or the volume capacity of any container
Perceived space. It's full of air though, at atmospheric pressure air is pressing you from all sides at 14.7 psi at sea level. As above so below.
Air is so interesting, it fills any void you create by creating a void. Voids within voids.
Air-ception
Like a 5 cell.
I would say that the volume never changes, whether the container has air in it or water. But then I think about scuba divers, when they dive with a full tank of air, the deeper they go the more compressed the air I side the container is, so it's really almost impossible to measure how much air any container can hold unless atmospheric pressure is precisely factored in. You made me think today. I hope you go to heaven brotha thank you.
It's hard to measure the mass of air you stuff inside the tank? I would figure that wouldn't change at all? Kind of like how fuel weight is constant but volume can vary depending on certain stuff.
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