Conventional curved lenses, which direct light by refraction in glass or plastic, are often bulky and heavy, offering only limited control of light waves. Metasurfaces, in contrast, are flat and ...

I'm totally obsessed with the Acmer P3 laser engraver, and I can't stop engraving everything in my house. I'll tell you all ...

Best laser cutters and engravers for home use 2025 - Explore the top laser cutters and engravers of 2025, perfect for ...