Using 105 watts for Sisyphus’s metabolic rate, we can estimate that his maximum long-term output would be 260 watts, or a little more than an open refrigerator. So if you want to have a pointless object in your front yard wasting energy forever for no good reason, then instead of plugging in your refrigerator, just have Sisyphus push a rock up a hill. It would reduce your electric bill, and the climate-change impact would be negligible,
