Inside the Search for Extra Dimensions, with Lara Anderson
By StarTalk
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Why does string theory need ten dimensions? Neil deGrasse Tyson and comic co-host Jordan Klepper sit down with Lara Anderson, string theorist and associate professor of physics at Virginia Tech, to tackle intersecting dimensions, the nature of gravity, and a unified field theory. What are the physics beyond the Higgs Boson? We discuss the problem of quantum gravity and whether string theory will solve it. Is a unified field theory too hard for our species, or are we just not smart enough yet? What exactly is a string? How can a one-dimensional object vibrate without intersecting other dimensions? Lara walks through world sheets, membranes, closed string loops, and why the math indicates higher dimensions. We discuss how to visualize other dimensions. Could a higher-dimensional object intersecting our spacetime appear as a black hole? Why is gravity forty orders of magnitude weaker than every other force? Could it be leaking into extra dimensions? Could dark matter be ordinary matte
Tags: startalk, star talk, startalk radio, neil degrasse tyson, neil tyson, science, space, astrophysics, astronomy, podcast, space podcast, science podcast, astronomy podcast, niel degrasse tyson, physics
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