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Naval Air Station Livermore

Closed installations of the United States NavyInstallations of the United States Navy in CaliforniaLivermore, CaliforniaMilitary facilities in the San Francisco Bay AreaMilitary installations closed in the 1950s
Navy stubsUnited States Naval Air Stations
1944trainerNASLivermoreCalif
1944trainerNASLivermoreCalif

Naval Air Station Livermore was a United States Navy military facility located in Livermore, California.

Excerpt from the Wikipedia article Naval Air Station Livermore (License: CC BY-SA 3.0, Authors, Images).

Naval Air Station Livermore
South Vasco Road, Livermore

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Geographical coordinates (GPS)

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N 37.686 ° E -121.706 °
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Lawrence Livermore National Laboratory

South Vasco Road
94550 Livermore
California, United States
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National Ignition Facility
National Ignition Facility

The National Ignition Facility (NIF) is a laser-based inertial confinement fusion (ICF) research device, located at Lawrence Livermore National Laboratory in Livermore, California, United States. NIF's mission is to achieve fusion ignition with high energy gain. It achieved the first instance of scientific breakeven controlled fusion in an experiment on December 5, 2022, with an energy gain factor of 1.5. It supports nuclear weapon maintenance and design by studying the behavior of matter under the conditions found within nuclear explosions.NIF is the largest and most powerful ICF device built to date. The basic ICF concept is to squeeze a small amount of fuel to reach pressure and temperature necessary for fusion. NIF hosts the world's most energetic laser. The laser heats the outer layer of a small sphere. The energy is so intense that it causes the sphere to implode, squeezing the fuel inside. The implosion reaches a peak speed of 350 km/s (0.35 mm/ns), raising the fuel density from about that of water to about 100 times that of lead. The delivery of energy and the adiabatic process during implosion raises the temperature of the fuel to hundreds of millions of degrees. At these temperatures, fusion processes occur in the tiny interval before the fuel explodes outward. Construction on the NIF began in 1997. NIF was completed five years behind schedule and cost almost four times its original budget. Construction was certified complete on March 31, 2009, by the U.S. Department of Energy. The first large-scale experiments were performed in June 2009 and the first "integrated ignition experiments" (which tested the laser's power) were declared completed in October 2010.From 2009 to 2012 experiments were conducted under the National Ignition Campaign, with the goal of reaching ignition just after the laser reached full power, some time in the second half of 2012. The campaign officially ended in September 2012, at about 1⁄10 the conditions needed for ignition. Thereafter NIF has been used primarily for materials science and weapons research. In 2021, after improvements in fuel target design, NIF produced 70% of the energy of the laser, beating the record set in 1997 by the JET reactor at 67% and achieving a burning plasma. On December 5, 2022, after further technical improvements, NIF reached "ignition", or scientific breakeven, for the first time, achieving a 154% energy yield.

Arroyo del Valle Sanitarium

Arroyo del Valle Sanitarium, originally opened as Del Valle Preventorium, was a sanitarium located in Livermore, California, United States that specialized in the treatment of tuberculosis. The hospital campus originally spanned over 160 acres. Upon opening in 1918, the hospital had a capacity of 280 patients. This was later expanded to 300. The buildings were designed by architect Henry H. Meyers of San Francisco. Originally opened as a private institution, Alameda County took over operations of the hospital in 1925. In 1919, Dr. Chessley Bush was named medical superintendent of the sanitarium. He held the position for more than 30 years. In 1923, Del Valle Farm was opened next to the sanatorium as a children's tuberculosis ward. The farm was eventually incorporated into the sanitarium in the 1920s. In 1949, James T. Duncan named the medical superintendent of the sanitarium until its closure. He had previously served as the director of Stony Brook Sanatorium in Kern County before moving to Livermore. The sanitarium went into decline after Streptomycin became the main treatment for tuberculosis during the 1940s and 1950s. By 1959, the sanitarium only had 148 patients. Closure of the asylum commenced on July 1, 1960, after authorization of the Alameda County Board of Supervisors, with the last patients being removed in August 1960. Upon closure the remaining 90 patients were moved to the tuberculosis ward at Fairmont Hospital in San Leandro.