Refraction
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Dark side of the moon cover (Pink Floyd) prism effect
http://www.google.co.uk/imgres?q=pink+fl…
Spoon in glass of water
http://www.google.co.uk/imgres?q=light+r…
looking through a glass bottle bends light to magnify image
http://www.google.co.uk/imgres?q=pinky+a…
http://www.google.co.uk/imgres?q=pink+fl…
Spoon in glass of water
http://www.google.co.uk/imgres?q=light+r…
looking through a glass bottle bends light to magnify image
http://www.google.co.uk/imgres?q=pinky+a…
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Surface of water... and ????????????????????????????