In its never-ending struggles to get the upper hand over workers, business has often dreamed of perpetual motion machines: devices that could deliver work without workers or the fossil fuels needed to power the engines that discipline them. The dream can only ever be a dream, however. Not only are perpetual motion machines physically impossible. Even if they could be built, they would destroy capital itself. Business cannot do without the human and nonhuman activity that it coopts, degrades and exhausts in cycle after cycle, because it is the source of the value it seeks.
