Phoenix Tailings是一家金属清洁开采与生产服务商,致力于可持续地生产有价值材料的同时消除环境中的这种有害废物,创造零废物、零排放的未来。近日,Phoenix Tailings获得4300万美元B轮融资,Envisioning Partners领投,Escape Velocity、In-Q-Tel、MPower Partners、Yamaha Motor Ventures、BMW i ...
This story appears in the November 2012 issue of National Geographic magazine. Roger Hughes has never seen emperor penguins in the wild. But when he saw them in a BBC documentary, rocketing ...
“China in the next five years needs escape velocity — it really needs things to pick up if it's going to make that jump.” The “middle-income trap” is a theory of economic development in which wages in ...
The probe slipped into a solar orbit between Mars and Earth. It was the first manmade object to reach escape velocity from Earth’s gravity. Research obtained from the probe included new data ...