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意大利蒙札市议会几年前禁止宠物的主人把金鱼养在弯曲的鱼缸里。提案的负责人解释此提案的部分理由是,因为金鱼向外凝视时会得到实在的歪曲景色,将金鱼养在弯曲的缸里是残酷的。然而这个故事还提出了一个有趣的哲学问题:我们何以得知我们拥有真正的没被歪曲的实在图像?这个问题在物理学中并非纯理论空想。实际上,物理学家和宇宙学家发现他们自己
Monza City Council in Italy a few years ago banned owners of pet goldfish in a curved fish tank. Part of the rationale behind the proposal’s explanation by the sponsor of the proposal was that it was cruel to keep the goldfish in a curved cylinder because the goldfish would have a really distorted view of the outward gazing. However, this story also raises an interesting philosophical question: How do we know that we have real, undistorted, real images? The issue is not purely theoretical in physics. In fact, physicists and cosmologists find themselves