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Theory of Everything

Theory of Everything. Is there an end to Physics?. What is a Theory of Everything. The unification of General Relativity and Quantum Mechanics Relationship between the four fundamental forces Explains properties of fundamental particles. Benefits of a Theory of Everything.

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Theory of Everything

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  1. Theory of Everything Is there an end to Physics?

  2. What is a Theory of Everything • The unification of General Relativity and Quantum Mechanics • Relationship between the four fundamental forces • Explains properties of fundamental particles

  3. Benefits of a Theory of Everything • Simplification of concepts allows deeper understanding • Better understanding of cosmology, black holes, and The Big Bang • Better understanding of time/spacetime

  4. String Theory/M-Theory Loop Quantum Gravity Strongest possibilities for a ToE

  5. String Theory • Makes gravity an integral part of the quantum realm-graviton • All fundamental particles are string excitations • Can involve up to 26 dimensions • Promising because it does away with infinities in calculations (gets rid of the idea of infinitely small particles) • Supersymmetry- is there a boson for every fermion and vice-versa

  6. Loop Quantum Gravity • Main goal is to quantize gravity • Views spacetime as pieces that are connected to each other

  7. Difficulties for String Theory • Supersymmetry was expected to be discovered by now • The large number of dimensions are have never been detected • It doesn’t make any precise predictions

  8. Weaknesses of a ToE • Gödel's Incompleteness Theorem • Difficulty Testing Theories

  9. Einstein Stephen Hawking- Once believed that it was inevitable now he believes it is improbable Physicists for/against a ToE

  10. Implications for Physicists • Would a theory of everything be invigorating/inspiring ,or would it take away the thrill of physics

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