E=mc²
Equivalence Principle
General Relativity
Experiments
🛗
Equivalence Principle
Gravity = Acceleration
⚡
E = mc²
Mass–energy conversion
🌐
Curved Spacetime
Mass bends space
🕰
Gravitational Time
Clocks near gravity run slow
📏
Length Contraction
Moving rulers shrink
🕳
Black Hole
Escape velocity = c
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