What is String Theory?

Imagine I have a beautiful tree that's filled with oranges and I asked myself What is the orange made of how do I answer that question? Well, I want to look deeply inside the orange. So I Magnify it and I magnify it again and if I keep on doing it deep inside sooner or later I begin to see molecules come into view but molecules are not the end of the story because the molecules I can enlarge them and if I make them big enough deep inside, I begin to see Atoms atoms are not the end of the story too because we have electrons Zooming around the nucleus deep inside mostly empty space in the atom, but deep inside We see the nucleus. So if I grab that and magnify it I see that the nucleus is itself made of particles neutrons and protons and if I grab one of the neutrons and magnify it I find yet further particles little tiny quarks inside Now that is where the conventional idea stopped String theory comes along and suggests that inside these particles there is something else So if I take a little quark and I magnify it conventional idea says there's nothing inside but string theory says I'll find a little tiny filament a little filament of energy a little string like filament and just like the string on a Violin, I pluck it and it vibrates Creates a little musical note that I can hear the little strings in string theory when they vibrate They don't produce musical notes. They produce the particles themselves so what quark is nothing but a string vibrating in one pattern an electron is nothing but a string vibrating in a different pattern a neutrino Nothing but a string vibrating and different patterns still so if I take all of this back together I have my ordinary orange and if these ideas are right, they are speculative But if they are right deep inside the orange or any other piece of matter There's nothing but a dancing vibrating cosmic symphony of strings That's the basic idea of string theory

Channel: World Science Festival

Views: 539,569

Rating: 4.9586205 out of 5

Keywords: What is String Theory?, Brian Greene, string theory explanied, Best explanation of string theory, Brian Greene explains string theory, why is string theory right?, quantum gravity, Einstein, extra dimensions of space, holographic worlds, multiple universes, supersymmetric quantum field theories, mathematical physics, Superstring theory, best science talks, New York City, World, Science, Festival, 2019

Id: TI6sY0kCPpk

Length: 2min 34sec (154 seconds)

Published: Thu Jul 25 2019

Reddit Comments

[u/Nukerz_OP]

I always believed matter it’s just a state of energy, and time is just the surrounding waves actually didn’t condensed enough to form matter ..

[u/NSGitJediMaster]

And entanglement is explained how these days? I'm asking because I went through during the string theory heyday. But it was renamed m-theory. Ok so where are we now, and don't start on quantum loop gravity, please.