Beamed energy is much less efficient right now. Wires are long, but we build long wires today. Maintenance will be a pain, but hey at least we'd have a planet.

Beamed energy is much less efficient right now. Wires are long, but we build long wires today. Maintenance will be a pain, but hey at least we'd have a planet. EDIT: If you want to see my back of the envelope calculations you can check out the second half of this article I wrote: https://medium.com/@willsilversmith/the-future-requires-unity-b78b65ad8e37#.xp119418f https://medium.com/@willsilversmith/the-future-requires-unit...