![PopTech Audio: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/053/095/small/poptech-audio-popcasts.jpg)
Summary: <p>A machine that builds itself? Adrian Bowyer, leading researcher at the University of Bath, shows us that this seemingly fantastic idea is not far from becoming reality. The self-replicating rapid prototyper, or “RepRap,” could have dramatic effects on people in developing countries.</p>