US space agency Nasa has blocked Chinese citizens with valid US visas from its facilities – a move that effectively bars them from working at one of the most respected space research centres.
Chinese nationals, who could only work at Nasa as…
US space agency Nasa has blocked Chinese citizens with valid US visas from its facilities – a move that effectively bars them from working at one of the most respected space research centres.
Chinese nationals, who could only work at Nasa as…