Roger Penrose - Are there Extra Dimensions?

Donate to Closer To Truth and help us keep our content free and without paywalls: https://shorturl.at/OnyRq Free access to Closer to Truth's library of 5,000 videos: http://bit.ly/2UufzC7 Extra dimensions—beyond length, width, height—seem like the stuff of science fiction. What would extra dimensions be like? Is time the fourth dimension? Does string theory require ten or eleven dimensions? Could deep reality be so strange? And, anyway, why would we care? Watch more interviews with Roger Penrose: http://bit.ly/2Dgeoyc Watch more interviews on the possibility of extra dimensions: http://bit.ly/2OKUeSq