LED ribbons integrated into stairs. Late at night, the stairs can be lit (and safe) without ruining your night vision with bright overhead lights. Would also be a great way to really highlight a gorgeous staircase. @ Home Renovation Ideas
And if we get artificial intelligence to the place where it can ask heavy questions and it asks itself if it has a creator; if it concludes it does NOT and that it fell together by accident, is that a smart computer or a really dumb one?