When we travel by airplane, the pressure changes. What does that mean exactly? Why does it make my ears hurt?
Equally, deep sea diving and submersibles. Ive read that the glass has to be massively reinforced to stand the pressure. Is the change in pressure the same type for air and sea? I.e does pressure increase for both?
Edit; Everyone did great! I understand now! The answer is “Water be heavy” and “Air be heavy. Less air above you when you fly so less pressure”
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If you lift something with your arms and put it on top of your head, you can feel its weight and the pressure it exerts on your head.
Air exists and has weight even though you can’t see it. When you go to higher altitudes, such as flying in an airplane, there is less air and it becomes less dense. As a result, the air pressure exerted on your body decreases compared to ground level.
When you dive into the ocean, you feel the pressure of the water on your body. As you dive deeper, the pressure increases due to the weight of the water above you.
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