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FAST does 'eye exercises' to maintain top performance
Updated: Feb 9, 2021
By Yang Jun in Guiyang
chinadaily.com.cn
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The 500-meter Aperture Spherical Telescope — known as FAST, the world's largest radio telescope in Pingtang county, Guizhou province — has been upgraded and maintained many times after making some great achievements.
The so-called China's sky eye has a 250,000-square-meter "retina". With more than 2,200 hydraulic actuators acting as neurons to precisely control the "retina", how do engineers keep it healthy?
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