this post was submitted on 31 Jan 2025
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I wonder if our current world has a specific smell that people from the 80s would notice
There's more methane in the atmosphere now. It probably smells like a fart.
Methane needs 5-16PPM [PDF] to be detectable with human smell. Atmospheric Methane is at about 2ppm. So the vast majority of people would not notice a difference.
methane doesn't have an odor, you linked to the data sheet of trichlorofluoromethane, a completely different molecule
The gas in your house is artificially made stinky so that people would notice leaks and blow their house up, which happened a lot back when the stinky chemicals weren't added and it was odorless