Wherever there is a design that is highly successful in a broad range of similar environments it is apt to emerge again and again independently - the phenomenon known in biology as convergent evolution. I call these designs 'good tricks.'
The juvenile sea squirt wanders through the sea searching for a suitable rock...
Design must seduce shape and perhaps more importantly evoke an emotional...
Guerrilla wars and even more so terrorist assaults are conducted only by forces with insufficient strength to carry out a real war.
