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LECTURE 42
questions before lecture
think about these
- How many generations of quarks and leptons are there? How many forces? How many fundamental constants?
- Is mass quantized the way spin and electric charge and other quantities are?
- In what sense is high energy short distance?
- What is a symmetry?
- What is an invariant?
- What is a phase transition?
- Name as many pairs of objects as you can with the size ratio 10 to the fifth.
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Please email any questions, comments, or suggestions to
Professor Bernice Durand, bdurand@theory3.physics.wisc.edu.
Revised December 3, 1997.
Content © 1997, Bernice Durand
Images and layout © 1997, Shane Hamilton
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