It’s the stuff of sci-fi movies, futuristic novels and fantasy stories. The possibility of printing real objects—objects that you can touch and feel and hold—has always seemed more of a dream than...
In 1945, the Electronic Numerical Integrator and Calculator (ENIAC) was developed. It weighed nearly 30 tons and could perform 5,000 additions per second. With the development of the ENIAC, the first general-purpose...
