1 Summary of Theoretical Physics L. David Roper, Written for tHe Book Group of Blacksburg VA For the discussion of The Elegant Universe by Brian Greene, 10 October 2004 This file is available at . The following diagram summarizes the history of unification in Theoretical Physics: Weak Interaction -----------------------------------------------------| | Strong Interaction----------------------------------------------------| | Thermodynamics ----------
- strings with zero thickness
- spatial dimension
- string loop
- messenger particle
- electric charge
- space
- particles
- theory
- mass