Off topic, but the reference to critical point of water reminded me of this lovely video from ages ago: https://www.youtube.com/watch?v=2xyiqPgZVyw https://www.

Off topic, but the reference to critical point of water reminded me of this lovely video from ages ago: https://www.youtube.com/watch?v=2xyiqPgZVyw https://www.youtube.com/watch?v=2xyiqPgZVyw The original link is now gone, and archive.org doesn’t have the other two videos, but I’m pretty sure I have them in my archive: https://web.archive.org/web/20080416125148/http://www.science.uva.nl/research/mgrd/video-cp.html https://web.archive.org/web/20080416125148/http://www.scienc...