MIT researchers revive 40-year-old triangular zipper concept now made possible by 3D printing, creates shape-shifting robots and deployable structures — 3D-printed ‘Y-Zipper’ turns floppy tentacles into rigid beams in secondsBy NewMaxx / May 10, 2026 Direct: https://ift.tt/mv85RtT Reddit: https://ift.tt/mZBPXxv