Particle Physics, Gravity and the Standard Model by Andre Walker-Loud
(7/17/2011) 70 minutes

description:

Lawrence Berkeley Lab Scientist Andre Walker-Loud presents to high-school students and teachers, explaining the nature of the four fundamental forces, and how the standard model of particle physics relates to cosmology. He also talks about Quantum Chromodynamics (QCD) and why his profession is both important and rewarding.

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