formally known as “laser-induced backside wet-etching,” uses a laser to blast away at a tank of copper sulfate. When a piece of glass is suspended on the surface of the solution and the laser ...

Fiber lasers aren’t nearly as common as their diode and CO2 cousins, but if you’re lucky enough to have one in your garage or ...

Cave drawings etched in stone are far more durable ... The technique involves using a laser “like a chisel” on glass. YUHAO LEI AND PETER G. KAZANSKY, UNIVERSITY OF SOUTHAMPTON Ancient people ...