Why does fog seem to move around me, without me ever going “into” it?
In: Physics
Fog reduces how far you can see into it, but you can still see a certain distance. From the outside of the fog looking in you don’t really notice this because what you can see seems to be on the outside, but in the fog you can see that range around yourself.
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Fog is mostly transparent. No matter where you are, there’s only a little bit of fog inbetween you and something right in front of you, so you can see it just fine. If you’re looking at something a hundred feet away, then you’re looking at it through a hundred feet of fog – even if it’s mostly transparent, lots and lots of it still adds up, so it’s tougher to see the object.
It’s the difference between looking through a single piece of plastic wrap (which looks clear even though it’s only “mostly” clear) vs. looking at a roll of plastic wrap (which looks opaque since it’s hundreds of layers deep).
Does it have anything to do with Light Refraction since Fog contains moisture/water? So we it creates an illusion of field of depth?
Fog is like a mesh courtain. Stick your face close to it and you can see just fine. Move back and it becomes more and more opaque the further away you go. When it’s foggy, you can easily see in front of you because you are looking through the close “courtains” but it gets harder to see further away because there are more and more layers of far away courtains that stack on top of each other.
It’s the same as being in a forest…. you can see the area around you, but the farther you look the more trees get in your way until that’s all you can see.
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