A cool new skyscraper in -- where else -- Dubai, will have 80 independent rotating floors. But check out this green hotness:

The slender building would be energy self-sufficient as the turbines would produce enough electricity to power the entire building and even feed extra power back into the grid, said the Italian architect at the unveiling of the project in New York. (Via BBC News)

The Huffington Post has a video and some more conceptual drawings, while the Wall Street Journal does its bit by covering the whole hard-on for skyscrapers Dubai seems to have these days.