Well I can just make the machine. We can talk for ages and prove this wrong and that wrong, but if I dont make this machine then I will never know for sure. It
... When you suck air out of a container it gets cold because of adiabatic cooling. But it does not stay cold as heat leaks in from the environment. When you
... air pressure or I guess you can call it air density by setting your altimeter to 29.96, which is air pressure at sea level. This is why they fly planes
What I meant by the rarified air is: In theory if you suck air out of a container you create a vacuum. a vacuum has few air particles. The air up there is also
Kilmator, I passed my FAA examination, written exam, at age 18. You adjust air pressure or I guess you can call it air density by setting your altimeter to