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[an-tee-mat-er, an-tahy-]
matter composed only of antiparticles, especially antiprotons, antineutrons, and positrons.
Source: Dictionary.com



In particle physics, antimatter is material composed of antiparticles, which have the same mass as particles of ordinary matter but opposite charges, as well as ...

Ten things you might not know about antimatter | symmetry magazine


Apr 28, 2015 ... Antimatter is the stuff of science fiction. In the book and film Angels and Demons, Professor Langdon tries to save Vatican City from an ...

What is Antimatter? - LiveScience


Jun 20, 2014 ... Antimatter is the opposite of normal matter. More specifically, the sub-atomic particles of antimatter have properties opposite those of normal ...

Electrons have anti-electrons, which are common enough to have their own name: positrons . Anti-protons, anti-neutrons, and positrons have been produced in the lab, but antimatter exists in nature, too. A great deal of energy is released by the reaction, but no earth-... More »
By Anne Marie Helmenstine, Ph.D., About.com Guide

Antimatter | CERN


But when matter and antimatter come into contact, they annihilate – disappearing in a flash of energy. The big bang should have created equal amounts of ...

The five greatest mysteries of antimatter | New Scientist


"No!" Vittoria said from above, breathless. "We must evacuate right now! You cannot take the antimatter out of here! If you bring it up, everyone outside will die! "

Origins: CERN: Ideas: Antimatter | Exploratorium


Antimatter found its way into the popular imagination soon after its discovery in the early ... that there may even be a mirror universe made entirely of antimatter.

What is antimatter? - The Particle Adventure


But you can see evidence for antimatter in this early bubble chamber photo. The magnetic field in this chamber makes negative particles curl left and positive ...

Matter/antimatter asymmetry | CERN press office


The big bang should have created equal amounts of matter and antimatter in the early universe. But today, everything we see from the smallest life forms on ...

antimatter | Define antimatter at Dictionary.com
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Popular Q&A
Q: What is antimatter?
A: From physics, we understand that our Univers is all made up of interacting matter. At the fundamental level (which means at very small scales of distance), the ... Read More »
Source: www.quora.com
Q: What is antimatter?
A: Antimatter is a collection of antiparticles. So, you'll ask, what are antiparticles? Well, for every elementary particle there exists an antiparticle, in many w... Read More »
Source: www.quora.com
Q: What is antimatter
A: Antimatter Matter - consists of antiparticles, such as protons and ... ...MORE... Read More »
Source: www.chacha.com
Q: Where is the antimatter?
A: CERN uses a Proton Synchrotron machine to accelerate protons and then they inject them into Read More »
Source: www.chacha.com
Q: What is Antimatter?
A: This isn't a trick question. Antimatter is exactly what you might think it is - the opposite of normal matter, of which the majority of our universe is made. Un... Read More »
Source: www.howstuffworks.com