On a more serious note from the information out there if you were to swallow that you would probably die :-( not for houses with small children...more info here...
http://inhabitat.com/zero-energy-bio-refrigerator-cools-your-food-with-future-gel/
Apparently it doesn't use electricity. The 'bio-robots' in the gel do all the work. "You could even mount it on the ceiling" (because that would be clever...)
I like the sound of bio-robots, but I remember in GI Joe they were mainly used to destroy things...