Convert matter to energy and back into matter

  • Thread starter Daark Nova
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  • #1
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Do u think it is possible to convert matter to energy and back into matter the same way without harm?
 

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  • #2
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this could be a good way of travel
 
  • #3
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Daark Nova said:
Do u think it is possible to convert matter to energy and back into matter the same way without harm?
Not exactly, no. They are two quite different things. The term "matter" has always been ill-defined and therefore one can't say if the amount has changed when it can't even be quantified. The amount of energy present at anytime is always constant. What can be done is to change the form of matter that is present from one in which the rest mass of particles is non-zero to that when one form in which the rest mass of some particles is zero. E.g. an electron and positron can anihilate each other producing two photons. The electron and positron each have a finite rest mass while each photon has zero rest mass. However the total energy and the total mass is non-zero and the same after the anihilation as before.

Pete
 

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