NASA Tests 3D-Printed Rocket Nozzle for Future Missions to Moon, Mars The lightweight aluminum engine nozzle is designed with small internal channels to keep it from melting during liftoff.

With a little more work, “Knitting machines could become as easy to use as 3D printers,” McCann said in a CMU news release. Of course, it’s unlikely you’ll have one of your own.

Liao and the team used a green 532-nanometer (nm)-wavelength laser to inscribe 3D patterns into tiny slabs of the doped glass. The intricate patterns, randomly chosen dots, symbols, QR codes, ...

Direct 3D Lithography of Reversible Photochromic Patterns with Tunable Luminescence in Amorphous Transparent Media. ACS Energy Letters , 2025; 1235 DOI: 10.1021/acsenergylett.5c00024 Cite This Page : ...