Visual Encyclopedia

# String theory

In physics, string theory is a theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings. It describes how these strings propagate through space and interact with each other. On distance scales larger than the string scale, a string looks just like an ordinary particle, with its mass, charge, and other properties determined by the vibrational state of the string. In string theory, one of the many vibrational states of the string corresponds to the graviton, a quantum mechanical particle that carries gravitational force. Thus string theory is a theory of quantum gravity.

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### Sting Theory for a High School student

Sting theory is something that is highly controversial in our world today, and that's what got me interested in it. This is a video I compiled for a math project for my freshman year of high school. I took what I learn from the PBS NOVA site and tried to make it easy for a high school student to understand.

### What is String Theory?

This is a helpful website anyone struggling with this concept.

Contributed by Alysha Griesemer

String theory may be one of the most controversial topics in physics, but it is a theory that might explain more about the universe. This video is a brief summary of string theory and explains how we might actually be living in a multiverse.

Contributed by Justin Constantino

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