Dry water is the result of coating small water droplets in silica. It is a powdery substance like sugar and is composed of 95% water.
Commentary
Jokes about dehydrated water crystals aside, this is a pretty impressive technique for collecting and containing water which has been around since 1968. In 2006, it was rediscovered as a potential way to absorb carbon gases and a host of other applications.
I've got to think back to other 8th grade jokes to see what future technology will bring.
See Also
- “Dry water” could make a big splash commercially at the American Chemical Society where the announcement of this announcement was made at the 240th meeting in Boston.
- Scientists Create 'Dry' Water Droplets at Scientific American
- Scientists create 'dry water' at The Telegraph
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2 comments:
Dehydrated substances always remind me of the 60's Batman movie with Adam West and Burt Ward, where the Joker, Penguin, Riddler, and Catwoman teamed up to kidnap members of the UN with a dehydration ray. The dehydrated members of the UN were different colored powders stored in vials, and the vials dropped, broke, and the powders got mixed together. Batman and Robin sorted the powders, but after rehydration the UN members all spoke the wrong languages. Point is, Batman kept referring to them as the "rehydrated dehydrated" members of the UN.
I never thought about it as dehydrated water, but I use silica gel frequently to regulate the relative humidity of exhibit and storage cases. I could tell you all about it some time.
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