Twelve scientists have predicted the next great inventions.
They include:

Ray Kurzweil: A three-dimensional molecular computer and a system for sending microscopic intelligent robots into the human bloodstream to fight pathogens, rebuild bodies, provide full-immersion VR and establish direct mental connections to the Internet.

Daniel Branagan, Department of Energy’s Idaho National Engineering and Environmental Laboratory: Nanotech alloys to create a new class of highly wear- and corrosion-resistant steel coatings.

Nolan Bushnell, CEO of uWink.com: mobile robotics for business and in consumer appliances.