Volume 47, Number 2, March-April 2016
|Page(s)||28 - 30|
|Published online||06 April 2016|
Fascinating optics in a glass of water
In Ref.  Jo Hermans discussed how the image of a horizontal arrow behind a glass of water reverses direction when it is moved away from the glass. The present paper deals with some other interesting effects that can be observed when looking at a drawing (source) taped tightly onto the back of a cylindrical glass of water, or beer, or white wine, whatever the reader prefers.
© European Physical Society, EDP Sciences, 2016
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