China’s quantum satellite helps send secure messages over 1200km by Translucidmind | Jun 18, 2020 | Physics https://www.newscientist.com/article/2245885-chinas-quantum-satellite-helps-send-secure-messages-over-1200km/ https://www.newscientist.com/article/2245885-chinas-quantum-satellite-helps-send-secure-messages-over-1200km/