Working day and night Carried out at telescopes such as the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile, radio astronomy gets less public attention than optical astronomy, but Emma Chapman sets out to change that with her new book Radio Universe . (Courtesy: ESO/A Ghizzi Panizza www.albertoghizzipanizza.com )"> Working day and night Carried out at telescopes such as the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile, radio astronomy gets less public attention than optical astronomy, but Emma Chapman sets out to change that with her new book Radio Universe . (Courtesy: ESO/A Ghizzi Panizza www.albertoghizzipanizza.com ) In the arena of public engagement, astronomy holds one distinct advantage over other areas of physics: the ability to generate an endless supply of pretty pictures. But not all astronomers benefit equally from this superpower – when it comes to capturing the punter’s imagination, it is optical astronomy that reigns supreme.…