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• Antimatter is a kind of matter composed of subatomic antiparticles like antiprotons, antineutrons and positrons, which carry a reversed electric charge and are the opposite of normal particles like protons, neutrons and electrons.

• Fast Facts

  1. Its existence was first proposed in 1928 by Paul Dirac
  2. One gram has enough potential energy to drive a car for 100,000 years without stopping
  3. Most expensive substance on Earth, produced at about $62.5 trillion per gram
  4. Less than 0.16 grams of antimatter are produced every year
  5. Unequal distribution of matter and antimatter in our known universe is one of the greatest unsolved problems in physics
  6. Practically applied to medical imaging in the positron emission tomography technique

• Quote

  “On the big Bang theory: For every one billion particles of antimatter there were one billion and one particles of matter. And when the mutual annihilation was complete, one billionth remained - and that's our present universe.” - Albert Einstein

• Related Mahalo Pages

  Science | Physics | Atoms | Large Hadron Collider | Paul Dirac | Space | Medicine | Energy | PET Scan | CERN

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