Special relativity

A twin who travels at high speed and returns is younger than the twin who stayed home. The apparent paradox disappears because the twins' paths through spacetime are not symmetrical.

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Starter thread · AI-reviewed against its sources

Special relativity says light's speed is a fixed limit: massive objects would need infinite energy to reach it, and faster signals would break cause and effect. Why nature works this way is unexplained.

0 views · 2 min read

Starter thread · AI-reviewed against its sources