There Are NO Particles (You're Made of Quantum Fields, Not Things) | Feynman Explains Reality

Pick up anything near you. A pencil, a coffee cup, your own hand. It feels solid, right? It feels like a thing. Like it is made of smaller things, atoms. And those atoms are made of even smaller things. Electrons and protons and neutrons, little balls, little marbles rattling around inside a bigger marble. That is the picture most people carry in their heads. And I'm here to tell you tonight that picture is wrong. Completely, beautifully, spectacularly wrong.

There are no particles. Not really. Not in the way you think. You are not made of things. You are made of fields. And by the time we are finished here, you will understand what that means, why it matters, and why, frankly, it is one of the most astonishing facts about the universe that hardly anybody talks about.

So, let us start where any sensible person should start, which is with something you already know. You know what a wave is. You have seen waves at the beach. You stand there, the water comes in, the water goes out. Now, here is the important question. When a wave moves across the ocean, does any water actually travel from out there to the shore? No. The water just goes up and down. The wave is not a thing that moves. The wave is a pattern that moves through the water. The water is the medium. The wave is just a disturbance, a ripple, a shape passing through. Now keep that in your mind. Hold it because it is the key to everything.

Let us go back to the old days. The ancient Greeks had this lovely idea. They said, "Look, if you take a piece of cheese and you cut it in half and you cut it in half again and you keep cutting, eventually you get to something you cannot cut anymore." They called it atomos, indivisible. And for a long time that seemed like a perfectly good idea. Matter is made of tiny indivisible balls, little pellets, little grains of sand that are too small to see.

Then along comes the electron discovered by J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J J 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