> we don't have fusion power on earth We do though, you can build a fusion reactor in your garage https://en.wikipedia.org/wiki/Fusor https://en.wikipedia.org

> we don't have fusion power on earth We do though, you can build a fusion reactor in your garage https://en.wikipedia.org/wiki/Fusor https://en.wikipedia.org/wiki/Fusor What’s hard is making a fusion reactor that produces more energy than it consumes, and does so economically.