Years ago, David Toomey picked up H. G. Wells' The Time Machine and couldn't put it down. He was most interested in the drawing-room discussion between the time traveller and his friends in which time ...

Next to the Navier–Stokes equations of hydrodynamics, the Ginzburg–Landau equations are perhaps the best known and most often applied nonlinear differential equations of non-relativistic physics. They ...