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Index/Topics/Special Relativity

Special Relativity

Special relativity is a part of quantum field theory.

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Jan 30, 2026
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Do tachyons exist

are hypothetical faster‑than‑light particles that remain unobserved: no experiment has produced verifiable evidence for them, and mainstream physics treats them as highly problematic because of and st...

Jan 30, 2026
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What is field theory in physics

is the umbrella of physical theories that treat "fields"—quantities assigned to every point in space and time—as the primary carriers of physical reality, replacing or supplementing direct "action at ...