Picture the scene at one of Derren Brown’s shows. There are four people on stage, shuffling sideways in a circle. They are facing inwards, each with both palms face down on the top of a round coffee table. The table is rotating of its own accord. Their job is simply to follow the table where it goes. We’re told it’s a kind of séance.
The instructions had been perfectly clear. When the table started to move (powered, of course, by energy from beyond the grave) they were to move with it. They were not to exert any force themselves. The table had begun its journey by heading to the front of the stage. It had then come back to the centre of the stage (conveniently, some might say) before starting to spin.
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