Have you ever wondered what it would be like to have access to a time machine? Forget all that stuff about going back and accidentally killing your grandfather and snuffing yourself out of existence, or changing the course of history by squishing a butterfly. Imagine being able to check out what Julius Caesar was doing at the Rubicon, or dropping in to one of Hitler's early rallies.
Don't even think about filling in the health & safety forms for THIS school trip...
Unfortunately, nobody has invented a time machine yet as far as we know, so we have to make do with the next best thing. Have a look at this very short and succinct video by Niel McLean, over on the Learning Foundation's website (click on Pause for Thought):
