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originally posted by: Nechash
a reply to: Drunkenparrot
Umm. No. It emits gamma rays because the photons go flying off in every which direction, but the mass of those two particles is completely nullified. If you look at the total energy nullified during the event versus the energy emitted, there is a net energy loss in the universe, not a gain. It produces nothing. We might find it useful to utilize the photons emitted for our purposes, but we are literally erasing our universe one particle of matter at a time to gain access to a highly volatile form of ionizing radiation. We would be better off with nuclear fission which conserves the total matter/energy in the cosmos.
I am confused about antimatter. We have learned that matter takes up space and has a mass. If each matter has an antimatter how can things exist?
For each matter particle, it is predicted that there should be an antimatter particle of the same mass, opposite charge, and opposite other properties.These particles can be created artificially, but they have to be isolated from matter in a strong magnetic field. You are quite right - matter and antimatter cannot exist together in the same place, because they mutually annihilate and create radiation of equal energy to their masses. This was predicted by Einstein in his famous equation,E = Mc^2.
Which is 2 million electrons worth of energy crossing a 1volt field. It is a ridiculous amount of energy loss for the energy we gain.
originally posted by: Xeven
Matter and Energy are supposed to be interchangeable. I was just wondering if when matter that has gravity is converted to energy does that energy still have gravity and is it still effected by other matter.
By pure I mean all the matter is now energy.