How To Time Travel, According To A Physicist

Brian Greene, professor of physics and mathematics at Columbia University and co-founder of the World Science Festival, explains what we know about time travel so far. Tech Insider tells you all you need to know about tech: gadgets, how-to’s, gaming, science, digital culture, and more. Subscribe to our channel and visit us at: TI on Facebook: TI on Instagram: TI on Twitter: -------------------------------------------------- Following is the transcript of the video: Brian Greene: I’m Brian Greene, professor of physics and mathematics at Columbia University and co-founder of the World Science Festival. It’s critical that you realize that there are two types of time travel, and they are radically different. Time travel to the future? Definitely possible. We know how to do it because Einstein showed us the wa