There's an article in the newest (I think August) Scientific American about a guy who's experimenting with a leading edge with bumps like that. He got the idea from whales which have a lumpy leading edge. He built some mockups and got some rather astounding results. Not only was induced drag...
Scotty UK,
Your post about global warming potentially causing glaciation is supposedly correct. The Atlantic currents circulate water in the Atlantic, taking warm surface water from the equatorial region and moving it north towards Europe's northern latitudes, where it cools and sinks, and then...