If I recall, there *was* a solar plane made, it was able to stay suspended in the air indefinitely.
And in addition to that there's space flight, if we can get the vehicles into orbit we can cut flight times that way. I mean, what's stopping Amazon.com from building their own space station, with a warehouse, and dropping the goods down into reentry? Think about it, they could restock it quarterly and the thing will stay up there without any need for fossil fuels (no friction, minimal gravity, plenty of solar energy).
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Date: 8/10/13 00:06 (UTC)And in addition to that there's space flight, if we can get the vehicles into orbit we can cut flight times that way. I mean, what's stopping Amazon.com from building their own space station, with a warehouse, and dropping the goods down into reentry? Think about it, they could restock it quarterly and the thing will stay up there without any need for fossil fuels (no friction, minimal gravity, plenty of solar energy).