If a nuclear reaction converts matter into energy, what converts energy into matter?
In: Physics
Just like a nuclear reactor will produce a lot of energy from little matter you need a lot of energy to convert into matter. It is hard to gather enough energy in a small enough place to create some matter. Most of the matter in the universe were created in the big bang where there were lots of energy in a tiny space. Other then that nuclear reactors and stars can create some matter by accident even though the net total matter will be negative. When a star goes supernova there will be espically much energy in the core which will make relatively much new matter.
It is also possible for humans to intentionally create matter in particle accelerators. These particle accelerators are designed to put as much energy as possible in a tiny location which will cause new matter to be formed. But these particle accelerators require lots of power and can only make a few particles at a time.
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