eli5 What is antimatter?

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I’ve tried reading up on it but my brain can’t comprehend the concept of matter having an opposite. Like… if it’s the opposite of matter then it just wouldn’t exist?

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Anonymous 0 Comments

It’s not the opposite of matter, it’s the electromagnetic inverse. An electron has a certain mass, spin, and a negative charge. A positron (an anti-electron) has the same mass, the same spin and a negative charge. The amount of both charges is the same too, just with opposite signs.

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