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Cover of the month

 



 

 
Morning Glory Pool in the Yellowstone National Park. The beautiful color variation comes from thermophilic bacteria inhabiting in the hot spring an absorption of sunlight. The orange color is due to the presence of pigmented bacteria, whereas the blue color is due to refraction of sunlight, thus all colors of sunlight but blue are absorbed by the water body, and blue light is reflected back to eyes. Photo by Yuri Kimura.


[Back issues of cover photos]

 
 
 

What's new

 
 
- 31/1/2015  Cover-photo has been renewed.
- 24/03/2011  Errata for our text book have been posted (in Japanese only).
- 15/03/2010  A poster of our course has been posted (in Japanese only).

 
 

 

Last revised: 31/1/2015

 

 



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