Dry ice that's been super-cooled in liquid nitrogen is dropped in a container of water! How much fog will -that- make?
For the scientifically curious: You might have noticed a brief period of rapid boiling when the super-cooled dry ice was first placed in the water. If it's too cold to sublimate, what caused the boiling? Let us know what you think, and how your idea can be tested (perhaps in a future video!), in the comments!
