Join an army of scientists and inventors whose mission is to dive deep below the surface of hundreds of machines, vehicles and structures - from the tiniest nanorobot to a supermassive star - and discover exactly how they work. In So That's How It Works! Technology , discover how mobile phones and 3D printers work, why LED lights are so efficient, how nanorobots will deliver medicines around our bodies, and much, much more. Superbly detailed artworks explain the wonders of the artificial world, while tiny characters and clear step-by-step text reveal how things work in a simple and easy-to-follow way.