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antimatter

What Is Antimatter?
Image: iStockphoto.com/gl0ck

What Is Antimatter?

Is there a better science fiction idea? Imagine: Every atom and subatomic particle has an opposite anti-atom and anti-particle. But if these opposites meet, KABOOM! One teaspoon of matter touching one teaspoon of antimatter could blow up New York City.

Now here's the most amazing part: This isn't science fiction. Antimatter is real stuff, which people are making, studying, and using right now.

Fermilab
Antimatter Question

Antimatter Question

Two scientists answer the question, "Do you think we will ever be able to harness and/or contain the energy of antimatter for usage…in a safe manner?" More...

Article
UCSB ScienceLine
Just Ask: Why Does Antimatter Matter?

Just Ask: Why Does Antimatter Matter?

In 2011, scientists announced they had discovered the antimatter equivalent of helium. But why do we care? More...

Article
PBS NewsHour
NASA’s Fermi Catches Thunderstorms Hurling Antimatter into Space

NASA’s Fermi Catches Thunderstorms Hurling Antimatter into Space

Not only do some thunderstorms give off gamma rays, those rays produce beams of antimatter. The Fermi Gamma-Ray Space Telescope has detected them shooting upwards from the storms. More...

Video
NASA
Origins: Ideas and Antimatter

Origins: Ideas and Antimatter

In 1928, the British physicist Paul Dirac theorized that every particle must have an anti-particle. In 1932, experiments confirmed his idea. More...

Article
Exploratorium
CERN People: Late Nights and Microwaves

CERN People: Late Nights and Microwaves

What's it like to be one of the scientists producing, containing, and studying anti-hydrogen atoms? This video offers a glimpse. More...

Profile
CERN
Cherenkov Radiation

Cherenkov Radiation

When very high energy gamma rays go from a vacuum into a denser material, like air, they turn into particles of both matter and antimatter. These, in turn, produce a faint blue light. More...

Article
About.com
How Does a PET Scan Work?

How Does a PET Scan Work?

Antimatter isn't just for theorists. It has practical uses. Doctors use antimatter particles called positrons to diagnose cancer and other conditions. More...

Video
National Institutes of Health
Michio Kaku: The Search for Antimatter

Michio Kaku: The Search for Antimatter

People and planets could be made of antimatter. So why do we see so little of it in our universe? A famous physicist suggests a reason. More...

Video
Big Think
New and Improved Antimatter Spaceship for Mars Missions

New and Improved Antimatter Spaceship for Mars Missions

All the antimatter fuel needed to propel a human mission to Mars, would weigh less than an M&M. No wonder scientists have wondered how they might build an antimatter rocket engine. More...

Article
NASA/JPL
Particulars: Game

Particulars: Game

Your aim in this game? Pretend you're a particle of matter — a quark — struggling to survive just after the Big Bang, when matter and antimatter are battling to rule the universe. More...

Game
Fupa Games, Inc.
The Antimatter Rap Song

The Antimatter Rap Song

What does Einstein's famous equation E = mc² have to do with antimatter? Find out in this rap from the witty Coma Niddy. More...

Video
Coma Niddy
The Antiproton Decelerator

The Antiproton Decelerator

Can't do anything with your antiprotons? Like the scientists at CERN, you need an antiproton decelerator to tame them and slow them down. More...

Article
CERN

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