China is developing the world’s first high-orbit quantum communication satellite to enable more efficient, globally accessible quantum networks and lay the groundwork for redefining the international standard of the second, according to Pan Jianwei, the country’s “father of quantum”.Set to launch around 2027, the satellite will operate in geostationary orbit more than 35,000km (21,700 miles) above the Earth, Pan revealed during a pre-recorded keynote speech at a conference in Germany this month...