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A Terrela in our school.
Bir düzey yukarıWhat is a Terrela? Is it linked with the Sun? How to build it in a school? This is our first challenge.
- How to build a Terrela by Philippe Jeanjacquot — Son değişiklik: 2008-04-01 17:13
- This article explain how to build and to use this impressive experiment called Terrela.
