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• n  matter consisting of elementary particles that are the antiparticles of those making up normal substances

• One exciting new parlor game among physicists is speculating about antimatter in bulk.
• Gravitation might act differently if more antimatter were around.
• A layer of hot ambiplasma (matter and antimatter particles in the process of annihilation) may sometimes be created, he says, when matter and antimatter meet.

News & Articles

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• Building a machine to hunt dark matter (pictures)
  Matter and antimatter would meet at nearly light speed in the International Linear Collider, an ambitious multibillion-dollar project to probe the nature of dark matter and energy.
  June 12, 2013 - CNET

Quotes

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• Jonathon Keats in Wired News
  We want our customers to be confident that the antimatter is available on demand, but we're advising clients to conduct transactions strictly in paper currency,says Mr. Keats, who has used his artistry to design the money in multiple colors...
• Conan O Brien in New York Daily News
  I think sometimes, especially in 2009, people can overstate the idea that there's a comedy barrier that separates 11:30 and 12:30 and that you'll ignite antimatter if you bring 12:30 comedy into the 11:30 hour,O'Brien told reporters Tuesday....
• Tom Hanks in Symmetry magazine
  I found out today that if I stuck my hand into the particle accelerator, it would disappear, and antimatter would be created,said Tom Hanks during an evening question-and-answer period. "I'm willing to sacrifice my hand for science by...