The Science of Spying

In this video we talked to a real ex-MI6 spy, Harry Ferguson, about the Science Museum's new spying exhibition. Ferguson says that dolls with video cameras in their heads are perfect for spying on your Mexican housemaid to check she doesn't gargle the whiskey or beat the children (he's neatly side-stepped any accusations of stereotyping there). We also took a look at some of the most interesting spy gadgets of the last few years, including a rock that's not what it seems.