Trial of night-sky advertising system announced
The government has confirmed Sydney and Melbourne will be among the first cities in the world to trial enormous 3D night-sky projection systems capable of displaying advertisements, public safety alerts, news headlines and sponsored civic messaging across the lower atmosphere. The programme, known as SkyReach, will use high-powered atmospheric projectors to place “dynamic visual content” above major population centres between sunset and 3am, a period officials described as “historically underutilised inventory”. ...