SpaxeX founder Elon Musk (L) and Canadian musician Grimes (Claire Boucher) attend the 2018 Space X Hyperloop Pod Competition, in Hawthorne, California on July 22, 2018. Students from colleges and universities from the US and around the world are taking part in testing their pods on a 1.25 kilometer-long (0.75-mile) tubular test track at the SpaceX headquarters. / AFP PHOTO / Robyn BeckROBYN BECK/AFP/Getty Images