Elon Musk, founder of the SpaceX company and the inspiration for Tony Starks character in the Iron Man movies, want's to change the way space travel is done - and his first step is going to be building the first fully re-useable space rockets, like this one:
But why build a re-useable rocket?
The shuttle was supposed to be re-useble, but it turned out to be more 're-cycleable' - big chunks of it needed replaceing between flights.
Well, maybe Mr Musk can explain:
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