Hacker News with Generative AI: Material Science

Is 3D printing being held back by an invalid patent? (ycombinator.com)
Parts made using the FFM (FDM) process are stronger in some directions than in others. This is due to imperfect adhesion between printed layers. This directional or anisotropic structural strength is a significant limiting factor for the structural integrity of 3d printed parts made with the common FFM process.
Wave-momentum shaping for moving objects in heterogeneous and dynamic media (nature.com)
Bronze Age Stone Anchors as Material Metaphors (springer.com)