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RE: Help! I need a physicist or chemist.
One option is that we may have a kind of slush around the diver that is not really observable on the picture.
One option is that we may have a kind of slush around the diver that is not really observable on the picture.
I know that the exhaled air is captured (or a tube to surface was used) and not released. No air bubbles. The page said they did that as to not damage the cave.
What I was actually meaning is that we may have a kind of slushy state of water around the diver. Not icy, but not liquid too. I am however not too sure.