A new x-laser is being built at the Stanford Linear Accelerator (SLAC) known as the Linac Coherent Light Source (LCLS). This X-ray Laser Animated Fly-through shows how the two-mile-long linear accelerator (linac) will produce 12 GeV electrons that will traverse a long undulator causing the electrons to produce hard x-ray for scientific research. The system will allow researchers to image individual molecules.