The starting assumption of General Relativity is that spacetime is locally flat in the sense that at each event (i.e. point in spacetime) there are locally inertial coordinate systems in which the gravitational metric is Minkowskian, and its first derivatives vanish at the center. The fail ...read more.
Sam Walcott joined the Department in 2011 after earning a Ph.D. in theoretical and applied mechanics from Cornell University and doing postdocs in experimental and theoretical biophysics at the University of Vermont and Johns Hopkins. His research develops models that predict large-scale biologic ...read more.