01 April 2019
A ban on radio equipment and electromagnetic gadgets went into effect on 1 April in the core silence zone of the world's largest telescope located in southwest China's Guizhou Province. Covering a wide range of electronic equipment from phones, digital cameras, and smart wearable devices, to tablets, speakers and drones, the ban is part of a newly revised regulation to keep the noise down and prevent human activities from affecting the telescope, known as the Five-hundred-meter Aperture Spherical Telescope (FAST).
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