Compare two revisions of: Optics

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1 1 * [IEEE Spectrum - Impossible Photo Feat Now Possible Via Holography Now you can focus on anything while giving up nothing, with simple, cheap optics](https://spectrum.ieee.org/depth-of-field)
2 +* [YouTube - How are holograms possible? | Optics puzzles 5](https://www.youtube.com/watch?v=EmKQsSDlaa4)
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