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@apharradine: parallel #lines that seem not. Catenary. Melbourne Aus. #mathphoto16 Münsterberg illusion, see Zöllner's Illusion https://t.co/m0ehtcSEQq | by tads2

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tads2

@apharradine: parallel #lines that seem not. Catenary. Melbourne Aus. #mathphoto16 Münsterberg illusion, see Zöllner's Illusion https://t.co/m0ehtcSEQq

parallel #lines that seem not. Catenary. Melbourne Aus. #mathphoto16 Münsterberg illusion, see Zöllner's Illusion t.co/m0ehtcSEQq - @apharradine

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Uploaded on June 25, 2016