#PhysicsFactlet
Light propagates in a straight line (actually it is more complicated than that, but this is good enough for us here) and we see only the light that comes to our eyes. As a result you usually don't see the light going from its source to the objects it illuminates.
Unless it is misty, in which case light can scatter on the water droplets and you can "see" the light's path ("Tyndall effect").
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j_bertolotti (j_bertolotti@mathstodon.xyz)'s status on Wednesday, 15-Jan-2025 17:53:54 JST j_bertolotti