"LOS ALAMOS, New Mexico -- There are no armed guards to knock out. No sensors to deactivate. No surveillance cameras to cripple. To sneak into Los Alamos National Laboratory, the world's most important nuclear research facility, all you do is step over a few strands of rusted, calf-high barbed wire. I should know. On Saturday morning, I slipped into and out of a top-secret area of the lab while guards sat, unaware, less than a hundred yards away."

->full story over at wired.com