Wood’s tendency to warp has long been a hindrance to designers, but researchers from the Hebrew University of Jerusalem are trying to change that. Using wood-waste micro-particles (called “wood flour”) and cellulose nanocrystals and xyloglucan (natural binders extracted from plants), the researchers developed an environmentally friendly water-based ink that harnesses wood’s ability to morph. When the ink is used in a 3D printer, the researchers …