How is it that the “smell” component of a substance seems to be able to travel, invisibly, much greater distances than the visual component? Is it a matter of the sensitivity of your nose versus eyes on detecting such components?
For example, I can smell my roommate’s cigarette from my room, but I can’t see the smoke fill the air.
In: Physics
That is because the smell is literally particles in the air, and those particles can float around corners and don’t have to worry about line of sight.
When you smell your roommate cigarettes, that is literally molecules being released from that cigarette traveling through the air and going into your nose.
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