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What Is The Speed Of Dark?

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space-iconSpace and Physics
clock-iconPUBLISHEDAugust 4, 2014

What Is The Speed Of Dark?

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Lisa Winter

Guest Author

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Vsauce

The speed of light zips along at 299,792,458 m/s. But what about the speed of dark? Dark is really just the absence of photons, but dark shadows can appear to have some pretty amazing properties.

The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Check out this Vsauce video that explores the speed of light, shadows, stages of twilight, the rate of collecting knowledge versus realizing the depths of our ignorance, and more:

 

 
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ORIGINALLY PUBLISHEDAugust 4, 2014

Written by Elise Andrew

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