“Maybe we’ll make a flying car, just for fun,” said Elon Musk. From any other businessman, such a statement would be a joke. But the billionaire, 42, who has poured the millions he made from the sale of his online payments firm PayPal into companies producing top-of-the-range electric vehicles, solar power and spacecraft, is serious.

 

“We could definitely make a flying car – but that’s not the hard part. The hard part is, how do you make a flying car that’s super safe and quiet? Because if it’s a howler, you’re going to make people very unhappy.”

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