Consider what the world, sorry universe will be when anything you can conceive of is a function of energy vs time. Set a self-replicating constructor going. Al

Consider what the world, sorry universe will be when anything you can conceive of is a function of energy vs time. Set a self-replicating constructor going. All it has to do is harvest sunlight to produce more solar cells to capture more energy until it has a sufficient supply to expediently build that new house you ordered.