| When a particle or atom of antimatter comes into contact with a particle or atom of normal matter, both are annihilated and energy is released. |
| In general, the distinction between matter and antimatter is somewhat arbitrary. |
| Why is the universe made of matter and not equal parts of matter and antimatter? |
| Those equations and present particle physics say that matter and antimatter are equivalent. |
| He saw how magnetic traps could make antimatter useful in medicine, principally in tumor treatment. |
| Matter and antimatter just don't mix, so it's surprising that you can probe one with the other. |
