Skynet fights with lumbering robots and doesn&#x27;t seem all that smart.  If you want a picture to symbolize what we&#x27;re worried about, don&#x27;t imagine a picture of a Terminator robot with glowing red eyes; imagine a picture of the Milky Way with a 30,000-lightyear-diameter sphere gapped out of it, centered on Earth&#x27;s former position.