Relativity: Special and General
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From time dilation to spacetime curvature—relativity made precise yet accessible.
10 content steps
4 quizzes
~210 minutes
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Journey Steps
Preview
1
Content Step 1
Content
Inertial frames and the postulates of special relativity
2
Content Step 2
Content
Time dilation and length contraction
3
Content Step 3
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Relativity of simultaneity and causality
4
Quiz 4
Quiz
Checkpoint Quiz
5
Content Step 5
Content
Lorentz transformations (intuition and use)
6
Content Step 6
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Energy–momentum and E = mc²
7
Content Step 7
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Gravity as geometry: equivalence principle
8
Quiz 8
Quiz
Checkpoint Quiz
9
Content Step 9
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Spacetime curvature and geodesics (conceptual)
10
Content Step 10
Content
Orbits and precession (Mercury case)
11
Content Step 11
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Gravitational lensing and redshift
12
Quiz 12
Quiz
Checkpoint Quiz
13
Content Step 13
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Gravitational waves (links to observations)
14
Quiz 14
Quiz
Checkpoint Quiz
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