All particles have an antimatter counterpart. If 1kg of antimatter collided with 1kg of matter, it would produce as much energy as the Tsar Bomba—the largest nuclear weapon ever detonated. When antimatter and matter meet, they destroy each other.
What Is Antimatter?
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Key Facts In This Video
For every particle, there is an equal and opposite anti-particle. 00:23
It's difficult to make anything big out of anti-matter since it annihilates when it meets matter. 01:31
No one knows why the Big Bang produced more matter than antimatter. 02:48