boxerfangg Posted April 13, 2011 Share Posted April 13, 2011 A Photon is electromagnetic energy and based on E = mc^2 energy is just another form of matter. Therefore a Photon is matter. Is this correct? Link to comment Share on other sites More sharing options...
Shadow Posted April 13, 2011 Share Posted April 13, 2011 What [math]E = m \cdot c^2[/math] tells you is that energy and mass are the same thing, in the same way that a cup with 50% of its volume filled up with water is both half full and half empty, at the same time. So yes, photons are matter. And they are also energy. It's the same thing. Link to comment Share on other sites More sharing options...
swansont Posted April 13, 2011 Share Posted April 13, 2011 mass ≠ matter Mass is a property of matter Fundamental bosons (as opposed to composites made of paired fermions) are generally not considered matter; they are the force exchange particles and an arbitrarily large number of them can occupy the same space. Link to comment Share on other sites More sharing options...
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