There's this great story in Skunk Works about the design of the F-117 stealth bomber. Denys Overholser, a mathematician at Lockheed, read a translation of a paper by Pyotr Ufimtsev in which the Russian revisited and extended Maxwell's equations. Overholser told Ben Rich that Ufimtsev had shown them exactly how to calculate radar cross sections and put them together to get a total... as long as each shape on the craft was in 2D. The design that emerged “was a diamond beveled in four…