Bay Super Laser
Mark Jackson, center, gives a tour of the new National Ignition Facility at the Lawrence Livermore Laboratory in Livermore , Calif., Friday, May 29, 2009. The football-field-sized facility is designed to focus 192 lasers at a single target the size of a pencil eraser to create a huge release of energy known as fusion ignition. Its primary purpose is to help ensure the reliability of the nation's aging nuclear weapons.The facility is expected to ramp up power in a series of experiments over the next year. (AP Photo/Marcio Jose Sanchez)
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