Slideshows Carbon Nanotubes: The Revolutionary Substance That Will Change the World One key piece of nanotechnology is the carbon nanotube, a tiny tube made up of carbon atoms. How tiny? They can fit inside your DNA. Good Is 11.21.10 Watch an interview with Decker Yeadon, an architecture firm who uses nanotubes in their work. It's just one of the interviews from the Edge of Progress Tour.