How To Build A Time Machine

Physics





Photo credit:

Is there a Dr in the house? James Bowe/flickr, CC BY

Every now and again, we all indulge in dreams about travelling 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.