Where the Hell Is the True North Pole?

By Jamie Condliffe on at

The North Pole is just at the top of the Earth, right? Well, not really: there isn't really a 'top' of a sphere and, anyway, depending on how you measure things the pole can be in one of many different spots. So which one's right?

This video tries to explain the difference between geographic, magnetic and geomagnetic poles — but it's up to you to decide which seems most useful. [YouTube]