Update: Chinese-led team achieves world's first 10,000-km quantum-secured communication
This schematic diagram shows the quantum key distribution experiment of the Jinan-1 micro-nano satellite. (University of ...
Thousands of satellites are due to burn up in the atmosphere every year – damaging the ozone layer and changing the climate
Operators follow a 25-year rule: at this point, a satellite’s mission is deemed to have ended and it is lowered into the atmosphere where gravity and friction kicks in. While this helps clear space, ...