This machine 3D prints metal structures in midair by lasering nanoparticles

By Devin Coldewey

One limitation of run-of-the-mill 3D printers is that the structure must essentially be built as a series of layers, each one supporting the next. A new device from Harvard’s Wyss Institute allows metal filaments to essentially be drawn in midair with no support whatsoever. And it uses lasers! Read More

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Source:: TechCrunch Gadgets