Why dry ice fog sinks to the floor: sublimation, heavy CO2 and the water in your pot

That spooky Halloween fog rolling across the floor is not smoke, and it is not really the dry ice either.

Is dry ice fog the best Halloween effect, or is a regular fog machine better?

Free science lessons you can play with: https://www.onelongtail.org/?utm_source=youtube&utm_medium=description&utm_campaign=2026-10-31-C

Sources:
· Dry ice — Wikipedia: https://en.wikipedia.org/wiki/Dry_ice
· Theatrical smoke and fog — Wikipedia: https://en.wikipedia.org/wiki/Theatrical_smoke_and_fog
· Fog machine — Wikipedia: https://en.wikipedia.org/wiki/Fog_machine
· Carbon dioxide — Wikipedia: https://en.wikipedia.org/wiki/Carbon_dioxide
· Density of air — Wikipedia: https://en.wikipedia.org/wiki/Density_of_air
· Fog — Wikipedia: https://en.wikipedia.org/wiki/Fog

One Long Tail No. 49

#dryice #halloween #chemistry #howitworks #shorts

source