You didn’t use the language of ‘inertial’ frames in your discussion, but I’ve heard they’re relevant to the ideas you are covering. So, what is an inertial frame, and why do they matter?
Module 1 : Scale
Scale
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Module 2 : Speed
Speed
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Module 3 : The Speed of Light
The Speed of Light
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Module 4 : Units
Units
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Module 5 : The Mathematics of Speed
The Mathematics of Speed
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Module 6 : Relativity of Simultaneity
Relativity of Simultaneity
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Module 7 : Pitfalls
Pitfalls
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Module 8 : Calculating the Time Difference
Calculating the Time Difference
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Module 9 : Time in Motion
Time in Motion
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Module 10 : How Fast Does Time Slow?
How Fast Does Time Slow?
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Module 11 : The Mathematics of Slow Time
The Mathematics of Slow Time
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Module 12 : Time Dilation Examples
Time Dilation Examples
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Module 13 : Time Dilation: Experimental Evidence
Time Dilation: Experimental Evidence
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Module 14 : The Reality of Past, Present, and Future
The Reality of Past, Present, and Future
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Module 15 : Time Dilation: Intuitive Explanation
Time Dilation: Intuitive Explanation
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Module 16 : Motion’s Effect on Space
Motion’s Effect on Space
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Module 17 : Motion’s Effect on Space: Mathematical Form
Motion’s Effect on Space: Mathematical Form
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Module 18 : Travel to Proxima Centauri
Travel to Proxima Centauri
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Module 19 : Coordinates for Space
Coordinates for Space
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Module 20 : Coordinates for Time
Coordinates for Time
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Module 21 : Coordinates in Motion
Coordinates in Motion
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Module 22 : Clocks in Motion
Clocks in Motion
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Module 23 : The Lorentz Transformation
The Lorentz Transformation
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Module 24 : Combining Velocities
Combining Velocities
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Module 25 : Spacetime Diagrams
Spacetime Diagrams
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Module 26 : Lorentz Transformation: As an Exotic Rotation
Lorentz Transformation: As an Exotic Rotation
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Module 27 : The Reality of Past, Present, and Future: Math Details
The Reality of Past, Present, and Future: Math Details
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Module 28 : Invariants
Invariants
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Module 29 : Cause and Effect: A Spacetime Invariant
Cause and Effect: A Spacetime Invariant
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Module 30 : Intuition and Dilation
Intuition and Dilation
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Module 31 : The Pole in the Barn
The Pole in the Barn
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Module 32 : The Twin Paradox
The Twin Paradox
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Module 33 : The Relativistic Doppler Effect
The Relativistic Doppler Effect
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Module 34 : The Twins Communicate: Quantitative
The Twins Communicate: Quantitative
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Module 35 : Implications for Mass: Intuitive Explanation
Implications for Mass: Intuitive Explanation
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Module 36 : Force and Energy
Force and Energy
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Module 37 : E=mc²
E=mc²
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Module 38 : Special Relativity Course Recap
Special Relativity Course Recap
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