This Squishy 3D-Printed Human Heart Feels Like the Real Thing

In the intro to the HBO sci-fi series Westworld, a 3D printer churns out humanoid robots, delicately assembling the incredible complexities of the human form so that those robots can go on to—spoiler alert—do naughty things. It takes a lot of biomechanical coordination, after all, to murder a whole lot of flesh-and-blood people. Speaking of: […]