Topic: smart glass projection screen

The new magnesium-lithium alloy developed by Professor Chai Donglang of Xi'an Jiaotong University and his team has been applied in practice and has the characteristics of ultra-light, high specific strength, and shock absorption. It has become the lightest metal structure material in the world. This is a big news that the media pays attention to recently. On December 22, 2016, the high-resolution micro-nano satellite of the first global carbon dioxide monitoring scientific experiment satellit...