Seeing: An Exploratorium Book

Tear out a page! On the front are three different-coloured dots that you are invited to wave before your eyes. Printed on back is the science behind why the blue dot appears to trail behind the yellow and red dots. (Did you know that our receptors for the colour blue are slower than those for red an [...]
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Tear out a page! On the front are three different-coloured dots that you are invited to wave before your eyes. Printed on back is the science behind why the blue dot appears to trail behind the yellow and red dots. (Did you know that our receptors for the colour blue are slower than those for red and yellow?) Hands-on science explained before your very eyes!