L/2, $\pm$ L/2) and periodic boundary conditions.

We have done sweeps of both temperature and density. We fix the parameters so that crystallization is avoided upon cooling or when the density is increased. For the temperature sweeps, we fix the density at $\rho_o=0.6$. For $\sigma_B/\sigma_A=1.4$, this corresponds to a packing fraction of 1.04. Having a packing fraction larger than 1 means that each particle was interacting with other particles most, if not all, of the time. Our measuring procedure is the following. For runs where we cool the system, we start each run at a high temperature (T=1.5) and lower the temperature in steps of $\Delta
T=0.05$. At each temperature we equilibrate for $10^4$ molecular dynamics steps (md steps) and then measure the quantities of interest for $N_{\tau}$ additional md steps where $N_{\tau}=10^5$, $2\times
10^5$, $10^6$, $3\times 10^6$, or $10^7$. All the particles move at each md step. The results are then averaged over up to 40 different initial conditions (different initial positions and velocities of the spheres). We have done some runs in which we heat the system of particles by starting at our lowest temperature $T=0.1$ with a configuration obtained by cooling the system. We then increased the 