This is something straight out of ‘Westworld.’ With a repurposed 3D printer and a container of gelatin, researchers turned an MRI scan of a human heart into a full-size analog. Squeeze it, and it’ll give like the real thing. Slice it open, and you’ll find chambers. The advance might eventually lead to fully-functioning 3D-printed hearts: https://wired.trib.al/7UZPU68

📽️: Eman Mirdamadi, Daniel Shiwarski, Joshua Tashman.