资讯

Gold industry organisation the World Gold Council (WGC) has released a documentary that explores gold’s influence on culture, creativity and society, as told through the voice and life stories of ...
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The Insane Engineering of the X-15

The X-15 wasn’t just a plane—it was a groundbreaking experiment that pushed humanity closer to space. With speeds of Mach 6.7 ...
The Oroville Dam spillway crisis pushed engineers to their limits — with heavy rain, unstable slopes, and huge risks if they failed. This video breaks down how crews stabilized the dam, designed new ...