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The speed you know is only your spatial speed, but you also have a speed through time. The two together make something called a 4velocity and its size is always the speed of light.
Nick Lucid Host, Writer, Editor, Animator
Em Lucid Producer
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VIDEO ANNOTATIONS/CARDS
Speed of Light is Infinite:
• The Speed of Light is Infinite... Kin...
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RELATED YOUTUBE VIDEOS
ScienceClic on 4Velocity:
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• Can You Trust Your Eyes in Spacetime?
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LINKS TO COMMENTS
• What Teachers Get Wrong About Equival...
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IMAGE/VIDEO CREDITS
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TIME CODES
00:00 Cold Open
00:37 Introduction
00:48 3D Velocity
01:31 What is a Tangent?
02:12 What is Speed?
02:46 Coordinate System
03:47 4D Spacetime
04:18 4Velocity is just like 3Velocity
04:57 Mathematical Definition
05:43 The 2 Points of View
06:23 Intuition
07:24 What about Photons?
08:08 Summary
08:26 Sponsor Message
09:48 Outro
09:54 Featured Comment