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Is there a link to the positron article?
My understanding of why there are more electrons than positrons is due to a symmetry break, which can be explained by a great analogy. Suppose a hundred people sit down at a circular dinner table. There is a plate in front of them and a glass of water midway between their plate and the plates on either side of them. As soon as one person selects a glass of water, either to their left or right (the symmetry break), it forces everyone else at the table to use the glass of water on the same side as the first individual selected. It is theorized that particles created near other particles are all connected or entangled (like a big round dinner table) and this is why our world is predominated by electrons and matter instead of positrons and anti-matter. I'm not exactly sure how this applies to dark matter, so I'd be interested in reading the article.
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