Vision scientist Lothar Spillmann at the University of Freiburg in Germany stumbled upon the illusion while browsing Ouchi's book on Japanese Optical and Geometrical Art.

德国弗莱堡大学视觉科学家洛萨·斯皮尔曼在浏览ouchi的一本书《日本光学和几何学艺术》时，偶然见到这一错觉。

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A team of scientists from University of Freiburg in Germany are developing a shoe with a sensor to automatically tie its laces that could be taken off when users click their heels together.

德国弗莱堡大学（University of Freiburg）的一个科学团队正在研究一种可利用传感器自动系鞋带的鞋，当使用者碰撞鞋跟时，鞋带就能自动解开。

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In Germany, at the hospital of the University of Freiburg, Mathias Berger has recently concluded the first controlled trial of its kind that suggests an answer.

ECONOMIST: People, like all living things, are four dimensional