Originally Posted by codprawn
This is where the inverse square law comes into play - basically any electromagnetic wave loses power a massive amount the further away it gets. So basically at 2x the distance the power is 1/4 the source and so on.
This racks up very rapidly so for example someone sleeping under an electric blanket gets more radiation than someone living directly beneath an electricity pylon...
You do know that you are supposed to turn the electric blanket OFF when you are under it, don't you?