Quotes About Air movement

At a level of about 18,000 parts per million (ppm), the RFHCO would start to melt. At 20,000 ppm, the fuel vapor could spontaneously combust, without any exposure to a spark or flame, just from the friction caused by the movement of air. Waving your hand through the fuel vapor, at that concentration, could ignite it. The

I was in Peru and visited a building near Lima built by the Incas. It was low in height, with no windows at all, but all the way in the back there was air movement. And I couldn't figure out how they'd done it; it was incredible.

I know about aerodynamics and fluid dynamics and how things move through the air, about the certain size of rocket nozzles, and thrust. But that's not science, that's just a formula.

Any little touch a defender can make on me when I'm in the air literally moves me. On the ground, I can use my muscle, but in the air, it's harder to fight that off.

typical bird's feathers outweigh its skeleton. Feathers define a bird. By trapping and moving air, feathers protect the bird from cold and wet, and they enable it to fly.