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Thread: as simple as this question gets...

  1. #1 as simple as this question gets... 
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    what is anti matter and how can something have negative mass?


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    Anti-Crank AlexG's Avatar
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    Quote Originally Posted by j05h View Post
    what is anti matter and how can something have negative mass?
    The simpilest way to get a basic definition is to go to Wikipedia.

    Antimatter - Wikipedia, the free encyclopedia


    In particle physics, antimatter is material composed of antiparticles, which have the same mass as particles of ordinary matter but have opposite charge and quantum spin. Antiparticles bind with each other to form antimatter in the same way that normal particles bind to form normal matter. For example, a positron (the antiparticle of the electron, with symbol e
    +
    ) and an antiproton (symbol p) can form an antihydrogen atom. Furthermore, mixing matter and antimatter can lead to the annihilation of both, in the same way that mixing antiparticles and particles does, thus giving rise to high-energy photons (gamma rays) or other particle–antiparticle pairs. The result of antimatter meeting matter is an explosion.[
    Antimatter doesn NOT have negative mass. It's mass and behaviour with gravity the same as ordinary matter.


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