Yeah, what else is this recalling:
- pouring liquid oxygen onto an outdoor charcoal grill (appears to be George Gobel of Purdue: https://youtu.be/UjPxDOEdsX8)
- a hotel shampoo bottle filled with liquid nitrogen, inserted into a full 5-gallon water bottle
Couldn't find the last one, but kids these days are doing it all wrong: https://youtu.be/PqRMAntoO8k