TU 74 Augmented reality, the future of cancer treatment & robot ball.
On this month's show, AR technology makes the line between virtual and reality even more blurred. Russia and America work together on a new nano-medicine to fight cancer. 3D printers haven't quite made their way in to everyone's home yet, but a spin off from the technology has already sprung up. Finally, we find out why 8 wheels are better than four!