If a giant telescope observes the universe, and no one around can take a picture of it, does it really exist? The Five-hundred-meter Aperture Spherical Radio Telescope—located in Guizhou, China—will have to find out. New regulations, put into effect in early April, ban (among other things) cell phones, smart wearables, drones, and digital cameras within 5 kilometers of the dish and impose uncomfortably large fines on those who break the rules.

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