When Math Isn’t Based in Reality

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What’s with math concepts that DON’T describe reality? Neil deGrasse Tyson and Chuck Nice explore all the ways we invented math to describe abstract concepts, and when some of those concepts became real, from negative to imaginary numbers. Plus, what does it mean when an equation has two answers?

Timestamps:
00:00 - Equations That Do Not Describe Reality
01:12 - Negative Numbers u0026 Zero
04:27 - Non-Euclidan Geometry
08:10 - Fractions
08:56 - Square Root of a Negative Number
13:20 - Two Answers to One Equation
20:10 - Closing

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Science meets pop culture on StarTalk! Astrophysicist u0026 Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities u0026 scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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