I keep hearing the same question whenever the Tesla Bot shows up in my feed: is Elon Musk really trying to build a friendly household helper, or is something much bigger going on behind the scenes?

Tesla Optimus robot prototypes walk onto the stage with Elon Musk.Screengrab from We, Robot livestream Chris Walti, the former team lead for Tesla's robot, told Business Insider that humanoid robots ...

Elon Musk dreams of Tesla's Optimus robots working in huge numbers in factories — but not everyone is convinced. Chris Walti, the former team lead for Tesla's robot, told Business Insider that ...

Elon Musk has said Optimus — Tesla's humanoid robot — is the company's most important product. The billionaire said this week that Tesla would have "thousands" of Optimus robots working in its ...