A ground proximity warning system (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle.
==Glej tudi==*ITER*Laser Megajoule*Jedrsko zlivanje*Jedrska cepitev*Verižna reakcija==Sklici in reference====Zunanje povezave==*How NIF Works*National Ignition Facility homepage*NIF Director, Dr Ed Moses, on the progress of the facility, "Ingenia" magazine, December 2007*NIF project director Moses says facility is ready to go, SPIE Newsroom, March 23, 2009*Inside Livermore Lab's Race to Invent Clean Energy Newsweek, November 14, 2009