# Brian Greene: Making Sense of String Theory & the Hidden Universes

Anyone who loves physics knows about String Theory. If, by some miraculous chance, you've never heard of it before…well, prepare to be introduced to one of the most interesting and highly contested ideas in physics. String Theory in its most basic sense asserts that, if we could zoom in and see the smallest building blocks of matter

If we soared past the atom and protons and quarks, and we got all the way down to the smallest of the small—we would find “strings.” This is the fundamental idea of superstring theory (“string theory” for short). It claims that the electrons and quarks that make up all the matter in our universe are not zero-dimensional objects, but one-dimensional strings.

Ultimately, the theory goes on to state that these strings oscillate, giving the aforementioned particles their charge, mass, spin, and flavor. Thus, strings are everything but what supports this idea? After all, we can’t actually

*see*strings, so how can we know that they exist? Well, to begin with, we don’t*know*that strings exist; however, there are a lot of scientists who think that they might.
Enter Brian Greene, co-director of Columbia University’s Institute for Strings, Cosmology, and Astroparticle Physics. You see, beneath this somewhat poetic overview of string theory lies (what is arguably) the most advanced mathematics in the world. Greene is responsible for making the math behind String Theory (and the idea itself) understandable to those who don’t have advanced degrees in the field.

Ultimately, he starred in the PBS series

*The Elegant Universe*, which is a 3-hour documentary exploring the nature of String Theory. However, if you don’t have 3 hours to spare, then take a look at his TED Talk. It gives you all that you need to know to understand the basics of this theory.Once you watch that, be sure to take a moment to see Greene go toe-to-toe with Neil deGrasse Tyson on whether or not math is really the language of the universe. It’s rather hilarious.

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