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English: Refraction of light (Snell's law) painted on a wall in Leiden (the Netherlands), at the corner of Hogewoerd and Sint Jorissteeg. Formula:
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Author Vysotsky


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20 October 2016

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current08:13, 21 October 2016Thumbnail for version as of 08:13, 21 October 20162,816 × 2,112 (2.97 MB)Vysotsky+bird flying
21:38, 20 October 2016Thumbnail for version as of 21:38, 20 October 20162,816 × 2,112 (3.01 MB)VysotskyUser created page with UploadWizard
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