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antimatter
Table of Contents
Introduction References & Edit History Related Topics
Videos
Learn about antimatter and its properties, and understand the annihilation of matter and antimatter
1,000,000,001 − 1,000,000,000 = 1
Listen to astrophysicist Neil deGrasse Tyson narrate a brief history of the formation of the universe, from the big bang to the present
For Students
antimatter summary
Quizzes
Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
How Much Do You Know About Physics?
Related Questions
Read Next
Atom illustration. Electrons chemistry physics matter neutron proton nucleus
What Is Antimatter?
Highway Night Traffic Portland, drive, driving, car, automobile.
What's the Difference Between Speed and Velocity?
Above the clouds 130 nautical miles below, astronaut Mark C. Lee floats freely without tethers as he tests the new Simplified Aid for Extravehicular Activity (EVA) Spacewalk Rescue (SAFER) system, Sept. 16, 1994. Space Shuttle Discovery, STS-64
Gravity: From Apples to the Universe
Discover
Lusitania sinking, illustration from The War of the Nations (New York), December 31, 1919. World War I, WWI. This image is one of three on the page. (See source file for the other two.)
7 of the World’s Deadliest Shipwrecks
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
King Cobra snake in Malaysia. (reptile)
9 of the World’s Deadliest Snakes
All Saints Day. All Souls Day. Candles in cemetery in Poland on All Saints Day, November 1. All Souls Day, November 2. Christian church, All Hallows, Solemnity of All Saints, Feast of All Saints, purgatory, Roman Catholic church
7 Unique Burial Rituals Across the World
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
Two chicks near an egg with a white background (poultry, chick, chickens, birds).
What Do Eggs Have to Do with Easter?
New Zealand. Political/Physical map. Includes locator.
Where Is “Old Zealand”?

antimatter: Related Content

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News •

Physicists have confirmed a new mismatch between matter and antimatter • Apr. 1, 2025, 6:19 AM ET (Science News)

Videos

Learn about antimatter and its properties, and understand the annihilation of matter and antimatter
1,000,000,001 − 1,000,000,000 = 1
Listen to astrophysicist Neil deGrasse Tyson narrate a brief history of the formation of the universe, from the big bang to the present
See All Videos →

Related Topics and References

Topics

Key People

Nambu, Yoichiro
Yoichiro Nambu
American physicist
Kobayashi Makoto
Kobayashi Makoto
Japanese scientist
Maskawa Toshihide
Maskawa Toshihide
Japanese physicist

Related Quizzes and Features

Quiz
Encyclopaedia Britannica thistle graphic to be used with a Mendel/Consumer quiz in place of a photograph.
How Much Do You Know About Physics?
Italian-born physicist Dr. Enrico Fermi draws a diagram at a blackboard with mathematical equations. circa 1950.
Physics and Natural Law
Demystified
Atom illustration. Electrons chemistry physics matter neutron proton nucleus
What Is Antimatter?