Ai Aiguo (left) checks students' homework at a skilled workers' school affiliated to Hunan Valin Xiangtan Iron and Steel in Xiangtan, Hunan province, on June 17. [Photo/Xinhua] 71-year-old inventor of ...

This hands-on course introduces the fundamentals of direct metal fabrication. Instruction and demonstrations are offered in basic processes such as welding, brazing, cutting, and shaping using the oxy ...

Welding is a fundamental skill needed for many truck modifications and repairs. Once a person can cut metal and join parts by welding, an entire universe of possibilities will open for you. This is ...

Only a couple centuries ago, if somebody claimed they could hold lightning in their hand to fuse steel, they would stand a pretty good chance of being burned at the stake for witchcraft. Luckily, ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...