There is an Imperial Writing Challenge and I have decided to apply. The goal of current challenge is to answer in 800 words: "What scientific development or breakthrough do you think will prove to be the most significant within the next hundred years?"
(http://www3.imperial.ac.uk/pimlico/sciencechallenge)
This is my Master Piece for your judgement. It was submitted today.
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There is a common conception that human scientific knowledge doubles every fifteen years. If this is the case, for the last one hundred years human knowledge has multiplied by a factor at least of six. This gathered knowledge has brought many unexpected inventions including, the Internet, mobile phones, atom energy and space travel. I would say that in the next one hundred years, science will change our understanding of the world beyond our imagination.
There are a few examples which science can anticipate. The world energy crisis will be solved by fusion reactors, process similar to that of energy released by the sun but with energy supplied from water. Most medical problems will disappear due to the developed manipulation of stem cells, the basic cells which can be converted to any other cell, allowing damaged organs to be easily replaced with new ones. An artificial intelligence breakthrough will bring us self-learning and independent thinking machines to help in everyday life and certainly, later on, causing a lot of trouble by their arguing capabilities, a self-developed feature which we would never intentionally give them. However, the most significant development of the next hundred years will definitely be the ability to pick our own brains.
Brain science nowadays mirrors that of medicine one hundred years ago when the detailed human anatomy was known yet some surgical operations were performed without deep background knowledge. Nowadays, a detailed brain map has been devised and some basics of brain information processing are understandable. For example, simple "yes and no" applications from reading brain activity have already been implemented in brain research centers.
The breakthrough in brain picking will be the capability of real time bidirectional brain information manipulation. However, it will require a joint effort from all scientific backgrounds. These real-time brain information manipulation capabilities will revolutionize our world. Passive human senses (like smell) and active senses (like touch) will be overseen by computers, allowing us to develop new sorts of products. The brain information reading capability will allow us to develop speechless products; cars will understand us silently by reading our thoughts and drive us to our destination, but if we insist on manual driving, it will be performed without steering a wheel or using pedals, thinking will be enough for the computer to translate our intention to movements. With products sending information back to the brain, a watch will be only a decoration. You will never need to check it for the time, you would already know it.
The studying and learning processes will be reviewed and changed; most information will be stored on a personal computer allowing you never to forget a thing. New skills will be stored as digital information and learning will be like "changing the cassette", but in the wireless world you will just think of them and the computer will download these new skills to your brain. As regards languages, you will never need to learn a new one, your speech will be translated automatically to the native language, with pronunciation tuning capabilities.
Complicated brain information manipulation will move us one step further, developing a virtual world parallel to the real one, and similar to the idea of the "MATRIX" movie. This virtual world will be generated on a monster computer and provided to our brain in such a realistic way that, without a special reminder, a person would feel the same in the virtual world as in the real one. This will solve a number of educational, economic, ethical and safety issues. You would not need to travel to a business meeting. You would just enter virtual reality, go to your office and meet all of your colleagues. For virtual dating options you would always find somebody to go out with and realistic sensation will give you the joy of a touch and a kiss.
Extremely complicated brain data manipulation can potentially bring endless life; even if the body dies, brain data will be copied to a computer and virtual brain activity will continue inside a virtual life. However, this ethical issue is the subject of another debate. I do not predict it will happen in the next century.
I would say that by end of this century scientific developments will be so enormous that total population transfer to other planets will be possible. This will force green societies to propose a UN earth-saving resolution, transferring the human population to other planets while cleaning the polluted earth and keeping it for holiday purposes. This would allow any person to visit the planet Earth for a holiday; to enjoy the sounds of the sea and smell of clean air, to travel in forests or deserts, to watch real animals, and finally to try to imagine life as it was just a couple of centuries ago.