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82), 43-44. 128. Ref. 63, 107-108. FUNDAMENTAL PHYSICS AND ITS JUSTIFICATIONS 183 3. BREAKING SYMMETRIES Beyond the Standard Model By 1980 HEP had come a remarkably long way. The Standard Model unified the three important forces on the particle scale (electromagnetic, weak, and strong) under a common symmetry scheme: SU(3) x SU(2) x U(1). Although the three forces were described by three different symmetry groups, they all obeyed the same type of symmetry (non-abelian local gauge invariance). Moreover, the electromagnetic and weak forces had been completely unified and the common symmetry scheme indicated that the strong force would also fall under this unification at some much higher energy.

Senator Edward Kennedy (D-Massachusetts) warned:147 [I]t is critically important that we pay heed to the impact of SDI on our other research efforts—both military and non-military. Tens of thousands of scientists will be diverted from other activities. A significant percentage of all new research dollars will go to SDI. Research funds are not unlimited and capable scientists and engineers are in short supply. We must keep in mind the cost in opportunities foregone—to strengthen our conventional forces, to achieve biomedical breakthroughs or to keep US industry competitive—when we divert such a significant share of our research budget to this single effort.

246, 278. The congressman was Don Ritter (R-Pennsylvania). 176. Daniel J. Kevles, “Big Science and big politics in the United States: Reflections on the death of the SSC and the life of the Human Genome Project,” HSPS, 27:2 (1997), 269-297, on 272-273. 177. Robert Bazell, “Quark barrel politics,” New republic, 196 (1987), 9-10. 178. , Superconducting Super Collider: Laboratory Status Report—1992 (Dallas, 1992). 179. Galison and Thomson, eds. (ref. 72), 18. 180. Moshe Safdie, “The architecture of science: From D’Arcy Thomson to the SSC” (ref.

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