Quote:

thedoctor said:
Quote:

r3x29yz4a said:
but that's not the air itself. that's wind, and humidity.




Humidity and wind do not account for why your ears pop as you ascend in an airplane.



that's air pressure (atmosphere shifts), not air itself. you could argue that air is intangible by itself but becomes tangible when shifted suddenly (as in pressure or friction).


Bow ties are coool.