So when carbon nanotubes are perfected and connect the surface of the earth to outer space we can use them to drop things (like minerals we'll be mining from the moon and elsewhere in the solar system) from space back to earth much like this lamp drops its load and generate electricity the whole way down and eliminate the need for burning fossil fuels ever again. World's energy problems, solved.
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Why wait for $1/gallon fuel at 100% efficiency? I'll take $2/gallon fuel at the current 50% efficiency!
So when carbon nanotubes are perfected and connect the surface of the earth to outer space we can use them to drop things (like minerals we'll be mining from the moon and elsewhere in the solar system) from space back to earth much like this lamp drops its load and generate electricity the whole way down and eliminate the need for burning fossil fuels ever again. World's energy problems, solved.