This blog is about the science and mathematical facts that may come across you in your daily life and some of the science and mathematical knowledges. It may be something you may not know about it too. Besides, it also contains some interesting experiments, video clips, images and so on. Please enjoy~~
Photo name: Fraser Spiral Illusion Picture category: Illusions Image size: 104 KB Dimensions: 620 x 623 Photo description: This optical illusion image is known as a Fraser spiral illusion, or false spiral. The black arcs appear to form a spiral when in fact they are a series of concentric circles.
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