How does human eye perceive distances?
108222
How do animal perceive distances with their eyes and ears
54489
Sort by distance
92978
Distance from redshift
86838
What do the red values mean on the distance scale of a lens?
48590
Does one's ability to use the Force depend on distance?
122408
How does the eye perform the equivalent of white balance?
43480
Visualizing the 4th dimension.
111561
Distance of a point to a subset.
57608
Approaching speed of light: why do objects appear further away in front of me?
68114
Distance between incentre and orthocentre.
105625
Distance between surfaces
70481
Relationship between the the slit width $w$ and source distance $d$
112408
What is the theoretical limit for farthest we can see back in time and distance?
147919
How does this optical illusion work?
30625
Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers
158181
How does the lens diameter influence photo quality?
31156
Is light amplitude spatial?