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Positron

A positron is the antimatter equivalent of the electron. It has an electric charge of +1, a spin of -1/2, and the same mass as an electron. When a positron annihilates with an electron, their mass is converted in energy in the form of two gamma ray photons.



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Thomas a Kempis

... ut inf.) enumerates 545 Latin and about 900 French editions. Originally written in Latin, a French translation was made as early as 1447, which still remains i ...

 
 
 
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