«Law of physics governs airplane «evolution»: Constructal law explains progression of passenger jets, sets guidelines for future aircraft.» (sciencedaily.com)
The bold above is my emphasis, as it demonstrates a principle of constructal theory - the optimal distribution of imperfection. (treehugger.com)
Interesting IBM's tree channel structure for distribution of the paste leaves a familiar constructal design on the paste itself - This is an image of what the paste looks like after it is pressed onto the chip. (treehugger.com)