Elon Musk has said that Earth will see approximately one billion humanoid robots by 2040. He supported the prediction made by David Holz, the founder of artificial intelligence lab Midjourney, who said on social media that “we should be expecting a billion humanoid robots on earth in the 2040s and a hundred billion (mostly alien) robots throughout the solar system in the 2060s”. Replying to this, Musk said “probably something like that, provided the foundations of civilization are stable”. Tesla, a company that Musk co-founded, has been actively involved in the development of robots. In 2021, …