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How to be in two places at once
Is it smart technology or a conjuring trick? You are given one ball and two boxes. Place the ball in one box and miraculously it appears in both at the same time.
蜜芽传媒 Click's Spencer Kelly demonstrates how an object can appear to be in two places at once.
Can you work out how it is done?
Watch the full programme of 蜜芽传媒 Click, broadcast on 蜜芽传媒 World News and the 蜜芽传媒 News Channel on Saturday 10 and Sunday 11 October 2015.
