When does Untitled Mark Rober series return?

Mark Rober is an engineer, engineer, inventor, and educator. He is known for his YouTube videos on popular science and do-it-yourself gadgets. Before he became a YouTuber, Rober was an engineer with NASA for nine years, where he spent seven years working on the Curiosity rover at NASA's Jet Propulsion Laboratory. He also authored patents involving virtual reality in self-driving cars.