Tuesday, July 17, 2018

spacetime dimensions - If we had three eyes, would our visual perspective be fourth dimensional?


If one covers up one eye, then he loses depth perception (two dimensional perspective). When we uncover that eye, we can now see depth (three dimensional perspective). My question is if we had four eyes, would we be able to see from a four dimensional perspective?



Answer



No.


The world we observe with our five senses is three dimensional. Two independent measurements are enough to calculate the three dimensional position of everything, which is what our brain does with the input of two eyes.



More eyes would only over constrain the solution, and might help in low lighting or long distance estimates when the errors are large.


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