Bitcoin climbed back above $70,000 on Friday, after sinking to a 16‑month low earlier, lifted by a sharp rebound in technology shares and precious metals following a global rout that had hammered a ...

Laser material processing uses high-intensity light beams in material fabrication. This can include cutting, engraving, drilling or welding metals. It can also include cleaning materials with lasers.

This article was updated April 26, 2023. It was originally published Oct. 12, 2018. Heat treatments let engineers and metallurgists tailor the properties of metal parts so that they are a better fit ...