ELI5 mode
Antimatter is the elusive counterpart to everyday matter, composed of subatomic particles that mirror those of normal matter but with opposite electric charges, like the antiproton or positron. This bizarre substance plays a crucial role in modern physics by helping explain why the universe is dominated by matter rather than its twin, and it's often envisioned as a futuristic energy source that could power starships, though creating it requires immense technological prowess.
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