Los Alamos National Laboratory
research laboratory initially involved in the design of nuclear weapons
Los Alamos National Laboratory (often shortened as Los Alamos and LANL) is one of the sixteen research and development laboratories of the United States Department of Energy (DOE), located a short distance northwest of Santa Fe, New Mexico, in the American southwest. Best known for its central role in helping develop the first atomic bomb, LANL is one of the world's largest and most advanced scientific institutions.
Los Alamos was established in 1943 as Project Y, a top-secret site for designing and assembling nuclear weapons under the Manhattan Project during World War II. This included both nuclear weapons used in the atomic bombings of Hiroshima and Nagasaki in August 1945, as well as Trinity, the first nuclear test, a month prior. Chosen for its remote yet relatively accessible location, it served as the main hub for conducting and coordinating nuclear research, bringing together some of the world's most famous scientists, among them numerous Nobel Prize winners. The town of Los Alamos, directly north of the lab, grew extensively through this period.
After the war ended in 1945, Project Y's existence was made public, and it became known universally as Los Alamos. In 1952, the Atomic Energy Commission formed a second design lab under the direction of the University of California, Berkeley, which became Lawrence Livermore National Laboratory (LLNL); the two labs competed on a wide variety of bomb designs. As the Cold War and its nuclear arms race began, Los Alamos remained central to the US effort. Under the "Super" program, Los Alamos physicists including Edward Teller and Stanisław Ulam developed the world's first thermonuclear weapons, Greenhouse George and Ivy Mike.Los Alamos subsequently produced the neutron bomb. The lab was involved in the origins of supercomputers, to further warhead development.
The public source identifies “Los Alamos National Laboratory” as research laboratory initially involved in the design of nuclear weapons. This brief keeps that definition visible, then builds a research path around Alamos, National and Laboratory.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 14, 2026. The linked authority identifier is Q379848. VIAF identifies the subject as 127685061. The Library of Congress control number is n82002711. Authority coordinates are 35.876, -106.324. 3 of 6 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 1943, 1945 and 1952.
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This entry incorporates text from “Los Alamos National Laboratory” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.