<ul><li>Science fiction authors and readers dream of travelling at the speed of light, but Einstein tells us we can’t.</li><li>A video by [FloatHeadPhysics] presents a graphic argument for relativity based on the book 'Relativity Visualized'.</li><li>The video explains how a three-dimensional object appears in a two-dimensional world and how it relates to time dilation and length contraction.</li><li>The video challenges the notion that the speed of light is an arbitrary rule, suggesting that everything in the observable universe is moving at the speed of light.</li></ul>

You Are Already Traveling at the Speed of Light

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