Brian Greene: Time Travel is Possible
Is the time we experience in our day-to-day lives real? Theoretical physicist Brian Green explores the potential particles of time and why we could, in theory, ...
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We know a lot about time. We know that time in some sense is at rock bottom that which allows change to take place, right. When we say that time has elapsed we notice that because things now are different from how they were a little while ago. That’s what we mean by time elapsing. But is time some fundamental quality of reality or is it something that our brains impose on our perceptions to organize our experience into some coherent framework that allows us to survive. I mean I can well imagine that we have been under evolutionary pressure over the millennia to organize perception so that we can survive, get the next meal, plan for the future. All of that would seemingly require that we have a conception of time that we apply to what we experience out there. But that doesn’t mean tim...
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We know a lot about time. We know that time in some sense is at rock bottom that which allows change to take place, right. When we say that time has elapsed we notice that because things now are different from how they were a little while ago. That’s what we mean by time elapsing. But is time some fundamental quality of reality or is it something that our brains impose on our perceptions to organize our experience into some coherent framework that allows us to survive. I mean I can well imagine that we have been under evolutionary pressure over the millennia to organize perception so that we can survive, get the next meal, plan for the future. All of that would seemingly require that we have a conception of time that we apply to what we experience out there. But that doesn’t mean tim...
