β³ 4D
Spacetime Diagram
Special Relativity
Concepts
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Spacetime Diagram
The 4th dimension is time
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Light Cone
What can affect the future
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Time Dilation
Speed slows your clock
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Wormhole
Shortcut through spacetime
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Grandfather Paradox
Why the past is protected
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Many-Worlds
Branching timelines
Controls
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