yes, quiete interesting ----

来源: 善和 于 2013-07-19 09:28:12 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (524 bytes)

some of the optical illusion images fall into this category, although some  "Impossible objects" may turn into possible when art interfaces with math, for example:





 





All dimensions of knowledge interface at some point, depending upon where you are :))))

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• Cool stuff: I had thought of Mobius strip when Klein's bottle wa -印象- ♀ 给 印象 发送悄悄话 (230 bytes) () 07/19/2013 postreply 10:58:27

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