Tesla's Powerwall home batteries have grabbed headlines recently, but another of Tesla CEO Elon Musk's many big ideas could be reaching an important stage in its development. That would be the ...

In 2013 Elon Musk unveiled Hyperloop, a futuristic transport system promising speeds of up to 1,200 kmh inside vacuum tubes. This video explores what happened to the companies trying to build it, the ...

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With Elon Musk close to claiming a new role as owner of Twitter after a winning bid to purchase it for $44 billion this week, the billionaire entrepreneur can add the social media app to a long list ...