18 January 1945
Dragon Prompt Critical Experiment
Frisch's Dragon experiment produces the first assembly made prompt critical by neutrons alone, using uranium hydride at Los Alamos.
Historical place archive
Browse historical events and people recorded at Los Alamos in Austria. The records below are rendered directly from the World History Database into this page's initial HTML.
Frisch's Dragon experiment produces the first assembly made prompt critical by neutrons alone, using uranium hydride at Los Alamos.
Frisch completes criticality and zero-yield experiments with uranium-235 needed to confirm weapon-core behaviour.
Frisch confirms through criticality measurements that the planned implosion-core design is satisfactory.
Provenance
These entries are generated from stored World History Database records whose country and place fields match Austria and Los Alamos. Names, dates, event labels and descriptions are reviewed and normalised as the database develops. Historical place names may not match modern administrative boundaries.
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