1. In the not-too-distant future, a tree will fall in the forest. Is there any chance it will have been knocked over by some kind of rampaging robot? 2. When the world’s armies are finally equipped with laser rifles, how difficult will it be for a civilian to get his hands on one, and do you think it would totally blow up a squirrel or just burn a hole in it? 3. Hypothetical situation: a gigantic black hole is about to swallow the Earth. All human life is doomed. Question: would you happen to know any women who don’t want…