The clue: This famous square mile is where you will discover the "Science of Security."

The answer: What is Lawrence Livermore National Laboratory?

Lawrence Livermore National Laboratory was featured in an entire category of clues on the TV game show "Jeopardy!," Monday, March 9. Called the "Science of Security," the category featured basic science questions that tie into LLNL facilities and programs, among them laser science and the National Ignition Facility, high performance computing and Sequoia, astrophysics and the GeMINI planet imager, satellite technology and LLNL’s work to track them for traffic control and breakthroughs in nanotechnology.

The LLNL category took place during the double jeopardy round. To test your knowledge of LLNL, click here.