Hobbyists can now build reliable guns at home with cheap printers, raising new questions about whether gun control can keep up.

As more and more (surprisingly) reliable multimaterial filament extrusion systems enter the market, the idea of full-color 3D printing is making its way into the broader public’s imagination and ...

Lunar regolith presented a natural fit for powder-based processes, with 90% of particles falling below 1,000 micrometers. However, its jagged, irregular morphology — shaped by meteorite impacts in the ...