Time travel is possible. Can we go back? | Brian Greene

Theoretical physicist Brian Greene explores the potential particles of time and why we could, in theory, travel forward in time but not back. ❍ Subscribe to The Well on YouTube: ❍ Up next: How looking at 4 billion years of Earth’s history changes you Theoretical physicist Brian Greene is fascinated by time. Is the time we experience in our day-to-day lives real? Is our interpretation of time actually how the world is structured? Could time be broken up into particles like matter? These questions fuel Greene’s curiosity, and their most likely answers indicate that time travel into the future is very much possible. But what about traveling back in time? “Can you travel back to the past? I don’t think so. We don’t know for sure. No one has given definitive proof that you can’t travel to the past…” Read the full video transcript: ---------------------------------------------------------------------------------- ❍ About The Well ❍ Do we inhabit a multiverse? Do we have free will? What is love? Is evolution directional? There are no simple answers to life’s biggest questions, and that’s why they’re the questions occupying the world’s brightest minds. So what do they think? How is the power of science advancing understanding? How are philosophers and theologians tackling these fascinating questions? Let’s dive into The Well. ---------------------------------------------------------------------------------- Join The Well on your favorite platforms: ❍ Facebook: ❍ Instagram: