Elon Musk's new plan involves a rocket and a party balloon

Guess what: Elon Musk has a new crazy idea. 

This time, thankfully, it doesn't have to do anything with boring tunnels. The SpaceX CEO now wants to "bring rocket upper stage back from orbital velocity using a giant party balloon".

SEE ALSO: SpaceX gains approval for largest satellite internet service, ever

Musk said this in a tweet late Sunday, and if it came from anyone else, we'd disregard it — heck, even Musk himself said that the idea sounds "crazy". But Musk has a track record of following through and delivering on seemingly insane ideas, sometimes even turning them into successful business endeavours.  Read more...

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