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Admirers of the incredible beauty and diversity of life on this planet of ours
Anyone who loves sunshine
The stars and the Orion Nebula are accurately placed
the heliacal rising of Sirius marked the flooding of the Nile in Ancient Egypt
Klein Bottle Necklace Style:Steel chain (24-26 inch adjustable) + bag of black sand Admirers of the incredible beautyThe Klein bottle is a fascinating topological shape first described in 1882 by German mathematician Felix Klein. It's what's called in mathematics a non orientable, one sided surface with no boundary. An orientable surface is one that can't be transformed into its mirror image by moving a shape along the surface. This means that both the Mbius strip and the Klein bottle are non orientable. To determine if something is one sided, imagine walking across
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