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You can suggest your website to any of 9 categories and
42 subcategories.
You can also suggest a new category or subcategory.
51
50
104
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Explorations How a sundial works
Quite nice but a little too short explanation of how the sundial works and how to build a simple sundial. Worth reading.
URL:
http://liftoff.msfc.nasa.gov/academy/earth/Sundial/Sundial.html
Our rating:
Added: 14-10-2006
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Przykładowe miejsce nr 4 na reklamę