Encyclopedia Britannica
Encyclopedia Britannica
SUBSCRIBE
SUBSCRIBE
  • Home
  • History & Society
  • Science & Tech
  • Biographies
  • Animals & Nature
  • Geography & Travel
  • Arts & Culture
  • ProCon
  • Money
  • Games & Quizzes
  • Videos
  • On This Day
  • One Good Fact
  • Dictionary
  • New Articles
History & Society
  • Lifestyles & Social Issues
  • Philosophy & Religion
  • Politics, Law & Government
  • World History
Science & Tech
  • Health & Medicine
  • Science
  • Technology
Biographies
  • Browse Biographies
Animals & Nature
  • Birds, Reptiles & Other Vertebrates
  • Bugs, Mollusks & Other Invertebrates
  • Environment
  • Fossils & Geologic Time
  • Mammals
  • Plants
Geography & Travel
  • Geography & Travel
Arts & Culture
  • Entertainment & Pop Culture
  • Literature
  • Sports & Recreation
  • Visual Arts
  • Companions
  • Demystified
  • Image Galleries
  • Lists
  • Podcasts
  • Spotlight
  • Summaries
  • Top Questions
  • #WTFact
  • Britannica Kids
Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Lamb shift
Directory
References
Quizzes
Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
All About Physics Quiz
Discover
Dancers at a Cinco de Mayo festival at the Mission District, San Francisco, California. (Photo dated 2019.) holidays
Is Cinco de Mayo Mexico's Independence Day?
Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.
7 Deadliest Weapons in History
Aspirin pills.
7 Drugs that Changed the World
Aurochs. Bos primigenius. Skeleton. Extinct animal. Skeleton of an Aurochs, an extinct wild ox.
6 Animals We Ate Into Extinction
Gutzon Borglum. Presidents. Sculpture. National park. George Washington. Thomas Jefferson. Theodore Roosevelt. Abraham Lincoln. Mount Rushmore National Memorial, South Dakota.
9 Memorials and Monuments in the United States
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
Who Invented the Internet?
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes

Lamb shift

physics

Learn about this topic in these articles:

hydrogen atomic energy level

  • Learn about the use of gamma-ray spectroscopy to identify the quarry that was the source of granite found in ancient Roman ruins
    In spectroscopy: Methods

    …in hydrogen, known as the Lamb shift, contributed to the development of quantum electrodynamics.

    Read More