Is the Universe REALLY a Hologram?

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Is the universe a hologram, a projection of a higher-dimensional space? String theorists think it is. How does a hologram work, what is the holographic principle, and what do they have in common? I will explain all that in this video.

Want to make your own holograms? There's a Kickstarter project for a 3D hologram printer here
https://www.kickstarter.com/projects/...
For more information, see http://www.litiholo.com/3d-hologram-p...

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#science #physics #education

0:00 Intro
0:16 What is a hologram?
2:02 How do holograms work?
5:40 The holographic principle
8:41 Optical holography vs the holographic principle
9:55 Sponsor message