Bucky Fuller, one of the more innovative and colorful engineers of our 20th Century, saw early boats as the strong shape of a dome upside down.  Typical of his far-reaching sort of thinking, he once speculated that early boats either went with the wind or against it.  In the west, we admire the daring-do of earliest ship captains fighting the wind by using it, angling sail and rudder just so to travel zig-zag out of the Indian Ocean, around Africa, and up to Europe.  This…