Military camouflage really started in the middle of the 19th Century with the introduction of khaki, he says, but what we think of camouflage now evolved in World War I to counter the new menaces of aircraft and submarines.

BBC: NEWS | UK | Show whips off the camouflage net

For two firms, Boston Scientific and Guidant , this research battle evolved into a nasty legal war.

FORBES: Boston Scientific Wins Again

Concorde was an engineer's delight: it took the jet-bomber technologies that had evolved at the end of the second world war and pushed them to the frontiers of the possible, or indeed beyond the frontiers, given that the aircraft's initial prototype could not have crossed the Atlantic with a full passenger load.

ECONOMIST: Why Concorde was never the right way to speed up air travel