Amazon CEO Jeff Bezos is hosting his annual Mars Conference this week in Palm Springs, California. It's a super nerdy affair complete with flying robots and a Blue Origin engine.

The conference is designed to be a showcase of sorts for the latest and quirkiest technology in the fields of machine learning, automation, robotics and space — hence the name, MARS. It's an annual reminder of Bezos' passion for cutting-edge tech, as the founder races toward commercial space travel.