Circles in the desert
نویسندگان
چکیده
منابع مشابه
Niche-Partitioning of Edaphic Microbial Communities in the Namib Desert Gravel Plain Fairy Circles
Endemic to the Namib Desert, Fairy Circles (FCs) are vegetation-free circular patterns surrounded and delineated by grass species. Since first reported the 1970's, many theories have been proposed to explain their appearance, but none provide a fully satisfactory explanation of their origin(s) and/or causative agent(s). In this study, we have evaluated an early hypothesis stating that edaphic m...
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چکیده ندارد.
15 صفحه اولThe moirés of circles
When we draw on a screen of computer or when we print the family of all the concentric circles of integer radius less or equal to R with R large enough (see the figure 1), we can observe “moiré effects” that is to say regular white patterns. The goal of this paper is to give an explanation for such phenomena. In fact, the moiré effects that are generally dealt in the literature ([1],[2] for exa...
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ژورنال
عنوان ژورنال: EMBO reports
سال: 2013
ISSN: 1469-221X,1469-3178
DOI: 10.1038/embor.2012.210