Superionic Water


New Scientist magazine, 4th September 2010

Water is now thought to exist in a really exotic form in the centre of Uranus and Neptune.

Image reproduced according to the licence at:

Extremely high temperatures and high pressures mean that the water may behave like a solid and a liquid at the same time. The extreme conditions would mean that the water becomes ionised – oxygen ions would form a crystal like lattice that would allow hydrogen ions to flow through it.

And the wierdest thing of all …. the water should glow yellow!



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