The age of neural implants is well under way. We have brain implants based on neuromorphic modeling (i.e., reverse engineering of the human brain and nervous system) for a rapidly growing number of brain regions. A generation of cochlear implants now on the drawing board will provide levels of frequency discrimination that go significantly beyond that of normal hearing. And in Germany, researchers at the Max Planck Institute have developed noninvasive devices that can communicate with neurons in both directions. They have demonstrated a neuron transistor by controlling the movements of a living leech from a personal computer.
Intelligent machines are already making their way into our blood stream. There are dozens of projects underway to create blood stream-based biological microelectromechanical systems (bioMEMS) to intelligently scout out pathogens and deliver medications in very precise ways. For example, a researcher at the University of Illinois at Chicago has created a tiny capsule with pores measuring only 7 nm (7 · 10-9 m). The pores let insulin out in a controlled manner but prevent antibodies from invading the capsule. Similar systems could precisely deliver dopamine to the brains of Parkinson's patients, and deliver cancer drugs directly to tumors.
By the end of this decade, computing will disappear as a discrete technology that we need to carry with us. We'll routinely have high-resolution images encompassing the entire visual field written directly to our retinas from our eyeglasses and contact lenses. We'll have very high-speed wireless connections to the Internet at all times. The electronics for all of this will be embedded in our clothing. Circa 2010, these very personal computers will enable us to meet with each other in full immersion, visual-auditory, virtual reality environments as well as augment our vision with location- and time-specific information at all times.
As computers become more and more powerful...... they will become small enough to interact with human neurons. Source: Ray Kurzweil
By 2030, electronics will utilize molecule-sized circuits, reverse engineering of the human brain will have been completed, and bioMEMS will have evolved into bioNEMS (biological nanoelectromechanical systems). It will be routine to have billions of nanobots (i.e., nano-scale robots) coursing through the capillaries of our brains, communicating with each other (over a wireless local area network), as well as with our biological neurons and with the Internet. One application will be to provide full-immersion virtual reality that encompasses all of our senses. When we want to enter a virtual reality environment, the nanobots will replace the signals from our real senses with the signals that our brain would receive if we were actually in the virtual environment. We will have a panoply of virtual environments to choose from, including earthly worlds that we are familiar with, as well as those with no earthly counterpart. We will be able to go to these virtual places and have any kind of interaction with other real (as well as simulated) people ranging from business negotiations to sensual encounters. In virtual reality, we won't be restricted to a single personality as we will be able to change our appearance and become other people. Experience beamers will beam their entire flow of sensory experiences as well as the neurological correlates of their emotional reactions out on the Web just as people today beam their bedroom images from their Web cams. A popular pastime will be to plug in to someone else's sensory-emotional beam and experience what it's like to be someone else, à la Being John Malkovich. There will also be a vast selection of archived experiences to choose from. The design of virtual environments, and the creation of archived full-immersion experiences will become new art forms.
The most important application of circa 2030 nanobots will be to literally expand our minds. We're limited today to a mere hundred trillion interneuronal connections, which we will be able to augment by adding virtual connections via nanobot communication. This will provide us with the opportunity to vastly expand our pattern recognition abilities, memories, and overall thinking capaity, as well as to directly interface with powerful forms of nonbiological intelligence.
Ray Kurzweil (has founded, built, and sold companies that have successfully opened markets in the fields of optical character recognition, computer-based music recreation, financial analysis and medical education. In 1990, Ray's first book, The Age of Intelligent Machines, was published by the MIT Press. In 1999, he published The Age of Spiritual Machines, When Computers Exceed Human Intelligence. Ray has received a long list of national and international awards, including the National Medal of Technologythe U.S.' highest honor in technologyand nine honorary doctorates in science, engineering, music and humane letters
It's important to note that once nonbiological intelligence gets a foothold in our brains (a threshold we've already passed), it will grow exponentially, as is the nature of information-based technologies. Note that a one-inch cube of nanotube circuitry (which is already working at small scales in laboratories) will be at least a million times more powerful than the human brain. By 2040, the nonbiological portion of our intelligence will be far more powerful than the biological portion. It will, however, still be part of the human-machine civilization, having been derived from human intelligence; i.e., created by humans (or machines created by humans) and based at least in part on the reverse engineering of the human nervous system.
Stephen Hawking recently commented in the German magazine Focus that computer intelligence will surpass that of humans within a few decades. He advocated that we "develop as quickly as possible technologies that make possible a direct connection between brain and computer, so that artificial brains contribute to human intelligence rather than opposing it." Hawking can take comfort that the development program he is recommending is well under way.
Ray Kurzweil