How to build a time machine

Every now and again, we all indulge in dreams about traveling in time. Wouldn't it be wonderful to return to that specific point in the past to change a bad decision or relive an experience -- those halcyon days of childhood, that night you won an Oscar -- or to zip ahead to see how things turn out in the far future.











via CNN.com - Technology http://ift.tt/1nc9bNh