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. ~~
nvm see below
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
That's what I get for moving quick, thank you. I guess the overall point that methane will not make the atmosphere smell still holds
People from the 40s would recognize the current smell of the world.
I feel like it’s probably the people from the ~1880s-1920s would know the smell of the world today
I'm hoping car exhaust takes that role.