Nuclear K-Electron Capture Observed
Provides the first experimental demonstration of nuclear K-electron capture by detecting characteristic X-rays following the capture of an orbital electron.
Historical biography archive · Updated 2026-11-03
Luis Walter Alvarez Biography and Timeline
Follow Luis Walter Alvarez through 5 dated historical records for United States of America.
Luis Walter Alvarez, historical timeline
A chronological timeline drawn from matching World History Database records.
5Distinct records
1 of 1Page
1937–1945Years on this page
1937
1941
Ground Controlled Approach
Develops radar landing systems for aircraft in poor visibility.
Role range: 1939-1945 – 1940-1945
1943
Microwave Early Warning
Develops microwave radar systems for wartime detection and control.
Role range: 1939-1945 – 1940-1945
1944
Exploding Bridgewire Detonator Test
A successful test of the exploding-bridgewire detonator demonstrates a way to fire many implosion detonators with the required simultaneity.
1945
X-Unit Detonation Testing
A Raytheon Mark II X-Unit arrives for testing as part of the electrical firing system for the implosion bomb.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.