人类视觉蕴藏丰厚的潜力,我们能看见遥远星球的微光,也能分辨细如发丝的差别,甚至能看见空气中的浮尘颗粒。那么,人类肉眼的视觉极限是什么呢?人类视觉极限之外的世界又是何种模样呢?人类与青蛙视觉PK The potential of human vision is enormous. We can see the glimmer of distant planets, and we can also distinguish the difference as thin as hair, and even see the dust particles in the air. So, what is the visual limit of the human eye? What is the appearance of the world outside the limit of human vision? Human and Frog Visual PK