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[http://www.educapoles.org/multimedia/animation_detail/why_is_it_cold_at_the_poles/]
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Polar snow glasses ! ! ! ... (for all ages ... in the snow or as a mask !)
     Did you know ? ? ?

The reflection of sunlight on the sea ice and on snow
is so strong that it can cause blindness ...
To protect their eyes from the blinding glare, the Inuit use to wear snow glasses similar to these glasses.

In the picture, these are old, cut out of bone or ivory and fastened with strips of animal skin.
         Try to make

   these original model

         of glasses ! ! !
            To know more ! ! !

Scientists call "albedo" this phenomenon
(latin word meaning "whiteness" as snow).

Click here to discover an animation from
the International Polar Foundation that will
explain in detail what is the albedo.