Ancient blacksmith technique brings China’s modern tunnelling machine to life

www.scmp.com

Ancient blacksmith technique brings China’s modern tunnelling machine to life

www.scmp.com

☆ Yσɠƚԋσʂ ☆@lemmy.ml to

Technology@lemmy.mlEnglish · 28 days ago

A 2,500-year-old Chinese sword has helped solve a major challenge to build the world’s largest tunnel boring machine.

https://archive.is/c1ZIc

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