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Whenever I walk up to a chainlink fence, and my vision places it at the wrong z distance, I'm reminded that 3d from vision is a consequence of our biological limitation of not having evolved emitters.





>>not having evolved emitters.

Like echolocation in bats and dolphins... Excellent point!

In fact, humans do have some echolocation capability [0,1]. That should tell us that LIDAR (or emitter-receiver-range-finder capability) may ultimately always be a core piece of the solution.

[0] https://en.wikipedia.org/wiki/Human_echolocation

[1] https://www.smithsonianmag.com/innovation/how-does-human-ech...




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