Los Alamos

35°52N 106°19W, pop (2000e) 11 900. Community in Los Alamos Co, N New Mexico, USA; 56 km/35 mi NW of Santa Fe in the Jemez Mts; a nuclear research centre since 1943; the first nuclear weapons were developed here during World War 2; government control ended in 1962.

Los Alamos usually refers to the United States national laboratory in Los Alamos, New Mexico which was founded during the World War II effort to develop the atomic bomb (the Manhattan Project). The facility was one of the two laboratories developing the USA's nuclear weapons during the Cold War, and is today a major laboratory for both classified and unclassified scientific research:

Los Alamos National Laboratory

It is also the name of a number of geographical locations in the USA:

Los Alamos, California Los Alamos, New Mexico — the city where the laboratory is located Los Alamos Ranch School — the boy's school the laboratory replaced Los Alamos County, New Mexico

At least one ship also carried the name:

Los Alamos (AFDB-7) was a large floating dry dock.