Aliens more like Arnie than ETBy Leigh Dayton, Science writer July 24, 2003IF extraterrestrials exist they look more like the steely Terminator than cuddly ET, say scientists on a cosmic quest for smart aliens. "The rise of the machines? There's a lot of Hollywood in there, a lot of crashing and smashing about, but it's possible," astronomer and science historian Steve Dick said of the Terminator movies. According to his new view of ET, intelligent aliens long ago dispensed with weak flesh-and-blood bodies in favour of steel-hard sinews and silicon brains. Dr Dick, of the US Naval Observatory in Washington,...