Donald Trump doesn’t like windmills. He says they’re ugly, noisy, and apparently lethal to birds. Fair enough. Let’s not argue the point. Instead, let’s move past mere wind turbines and go straight to the logical next step in renewable energy: a Dyson Sphere.
For those who don’t know, a Dyson Sphere is not the latest household gadget from the vacuum cleaner people. It’s a hypothetical mega-structure that encases a star to capture its entire output of energy. In our case, the Sun. That’s right—...