Elon Musk’s Mars plan may depend on more than rockets — it may depend on robots. The Tesla Bot could become the ultimate ...

SpaceX is quietly reshaping its Mars strategy around a new kind of astronaut: a Tesla-built humanoid that can work where humans cannot yet safely live. The company wants Optimus, Tesla’s bipedal robot ...

Sometimes you get a small electric shock from touching your car door handle on a dry summer's day. The source of these shocks is a spark discharge, occurring between your body and the body of the car.