Science, Maths & Technology
Doctor Who: Is time travel possible?
...courses and qualifications. [Time travel, laser lights] In Doctor Who, our hero regularly travels forwards and backwards in time, visiting any epoch, anywhere in the Universe, thanks to his time machine the TARDIS (Time And Relative Dimensions In Space). But is time travel really possible? The simple answer to this question is: Yes! In fact as you read this, you are...