“Can entropy ever be reversed?" "We both know entropy can't be reversed. You can't turn smoke and ash back into a tree." "Do you have trees on your world?" The sound of the Galactic AC startled them into silence. Its voice came thin and beautiful out of the small AC-contact on the desk. It said: "THERE IS INSUFFICIENT DATA FOR A MEANINGFUL ANSWER” EntropyAsimovSciencefictionThelastquestion Author:Isaac Asimov