That’s because there’s feces on every person all over them. Your nose works because it detects chemicals of something. If you smell feces it is because it is inside of your nose. Feces is in the air. Smell a fart? It’s now on you. Bathroom smells like shit? It is in the air around you and on you.
Just about 20 years ago when all those soda fountain dispensers tested always had feces detected on them, it wasn’t because some bandit was going around the world smearing shit on them every day, it is because it is always every where.
According to the BBC article that talks about the McDonalds touch screen, they say the same thing.
That’s because there’s feces on every person all over them. Your nose works because it detects chemicals of something. If you smell feces it is because it is inside of your nose. Feces is in the air. Smell a fart? It’s now on you. Bathroom smells like shit? It is in the air around you and on you.
Just about 20 years ago when all those soda fountain dispensers tested always had feces detected on them, it wasn’t because some bandit was going around the world smearing shit on them every day, it is because it is always every where.
According to the BBC article that talks about the McDonalds touch screen, they say the same thing.
As someone that has to work in very close proximity to feces, smelling it is a good sign. Not smelling it is the alarm bell.