You know you aren’t supposed to watch your laser while it is cutting or engraving. But [Alex] hosted Wired in his studio and showed them how lasers engrave metal with a fiber laser. You can see the ...

The clang of stainless-steel utensils fills the air as Madurai’s Lakshmi Puram wakes up to yet another day. It is 10am and the wholesale and retail steel shops that stand on either side of the narrow ...