public class Physics {
	public static double h = 6.62606876e-34;	// J-s
	public static double hbar = 1.054571596e-34;	// J-s
	public static double me = 9.10938188e-31;	// kg
	public static double q = 1.60217733e-19;	// C
	public static double c = 299792458;		// m/s
	public static double e0 = 8.85418781762e-12;	// F/m
	public static double Cc = 8987551787.37;	// Nt-m^2/^2
	public static double a0 = 0.5291771e-10;	// ?
}