OK, wasn't Asimov after all - http://www.roma1.infn.it/~anzel/answer.html is the story I meant.
Been way too long since I read any Asimov.
OK, wasn't Asimov after all - http://www.roma1.infn.it/~anzel/answer.html is the story I meant.
Been way too long since I read any Asimov.