How much does air weigh? On this explainer, Neil deGrasse Tyson and comedian Chuck Nice explore how tire pressure works and how tires make the world go ‘round.

Is there still air in an empty tire? Find out how much air you need to put into a tire to hold up Neil. Why do bikes have thin tires and tractors have big ones? Discover how there’s math in everything…

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About StarTalk:
Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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00:00 - Air pressure & Tire pressure
03:30 - Pounds per square inch
09:10 - How much your car weighs
11:55 - Hat Size