Update: Walmart lowered the sale price from $20 to $15 on October 9.

Two years ago, Tesla's Optimus prototype was an underwhelming mess of exposed wires that could only operate in a carefully controlled stage presentation. Last night, Tesla's "We, Robot" event featured ...

The walking, talking Optimus robots that stole the show during Elon Musk’s splashy “Cybercab” event in Hollywood last week were operated in part through remote control by humans, according to a report ...