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hat is artifacial inteligance?" you ask   on-board computer will interpret your voice,   phone networks bounce packets of voice data
                   Google. To which it replies, "Did you   locate your precise location on the globe and give   along the most efficient path. Logistics software
           W  mean artificial intelligence?" Of   you detailed directions from Moscow to Madrid.   is the engine of global business, calculating the
           course you did. Meanwhile, in the 0.15 seconds it   Or even something as 'simple' as the spell check   most efficient and profitable way to procure
           took you to realise your own stupidity, an   on your word processor, casually fixing your   supplies, manufacturer and ship products
           intelligent machine has assembled 17,90o,ooo   typos as you go.      around the world. Credit card companies use
           results for your consideration- including video,   And then there are AI machines that go far   intelligent software to analyse the buying
           audio, historical records and the latest headlines   beyond the everyday, like robots. Today's most   patterns of millions of cardholders and identify
           - ordered by relevance and reliability. 20 years   extraordinary robotic machines are much   the subtle red flags that signal fraud or theft. In
           ago, this type of artificial intelligence would   more than logically intelligent; they're also   the information age, we rely on these intelligent
           have been the stuff of science fiction, but now we   physically intelligent. Consider Stanley, the   machines to make sense of streams of seemingly
           simply call it 'technology'.       100% autonomous vehicle that barrelled   random data.
             Artificial intelligence began over6o                                        As processing power continues to
           years ago as a philosophical question   '' We're teaching machines to       multiply, we are coming closer to
           posed by the brilliant English                                              answering Turing's original
           mathematician Alan Turing: "Can   rely less on pure logic and more          question: "Can machines think?"
           machines think?" In 1955, the words                                         We are teaching machines to rely
           'artificial intelligence' first appeared   on probabilities and experience,   less on pure logic and more on
           in print in a proposal for a summer                                         probabilities and experience, what
           academic conference to study the   what we might call 'intuition'''         we might call 'intuition'. And they
           hypothesis that "every aspect of                                            are fast learners ...
           learning or other feature of
           intelligence can in principle be so precisely   through the Mojave Desert to win the 2005
           described that a machine can be made to   DARPA Grand Challenge. Stanley used GPS data
           simulate it".                      to pinpoint its location, as well as laser-guided
             At its core, the science of AI is the quest to   radar and video cameras to scan the distance for
           understand the very mechanisms of   obstacles in real-time. Internal gyroscopes and
           intelligence. Intelligence in humans or   inertial sensors feed constant streams of data
           machines can be defined as the ability to solve   into the on-board computer to control steering
           problems and achieve goals. Computers, it turns   and acceleration.
           out, are the ideal machines for the study of AI,   The Honda ASIMO (Advanced Step in
           because they are highly 'teachable'. For half a   Innovative MObility) robot grabbed the world's
           century, researchers have studied cognitive   attention with its human-like walk, a feat of
           psychology- how humans think- and   intelligent engineering. ASIMO uses infrared
           attempted to write distinct mathematical   and ultrasonic sensors to gauge distances
           formulas, or algorithms, that mimic the logical   from floors, walls and moving objects, and
           mechanisms of human intelligence.   constantly adjusts its balance and motion with
             Machines have proven extraordinarily   34 high-precision servo motors. ASIMO's
           intelligent, with highly logical problems   processors are so lightning-fast, you can shove
           requiring huge numbers of calculations.   the robot sideways in mid-stride and it will
           Consider Deep Blue, the chess-playing computer   'instinctively' throw its weight onto an outside
           from IBM that beat grandmaster Gary   foot to right itself.
           Kasparovusing its brute processing strength to   Perhaps the greatest achievements of artificial
           calculate a nearly infinite number of possible   intelligence over the past half-century have
           moves and countermoves.            been illustrated by the way that machines can
             Alternatively, consider the everyday examples   intelligently process information. Google is just
           of astonishing AI, I ike the GPS navigation   one example of intelligent information
           systems that come standard in many new cars.   technology that can parse obscene amounts of
           Speak the address of your destination and the   data into useful information. Intelligent cell


           Wher did artial intelige begi;>

           5th Century BCE     13th Century        1642                1821                1889
           Aristotle's logic   Lullian machine     Pascal's calculating   Difference Engine No 1   Electric tabulating system
           Aristotle defines  syllogistic  logic ­  A Spanish  monk creates a machine   machine   Charles Babbage envisages a complex   Herman Hollerith devises a way to
           how a single conclusion is drawn from   that draws conclusions from different   The wooden box with a metal crank can   calculating machine.   mechanically record data.
           two premises.       paired symbols.     handle both addition and subtraction.
           400 BCE             15th Century        1801                1850s               1910
           Mechanical dove     Spring-driven clocks   Punch cards       Boolean algebras    Principia Mathematica
           Archytas of Tarentum constructs a   These clocks and  watches  are   A French silk weaver automatically   George  Boole uses syllogistic logic to   A three-volume work to  derive mathematical
           wooden dove that can flap its wings   the world's first  mechanical   controls a loom using a series of   reduce maths functions to two   truths from a set of axioms using symbolic
           and even fly.       measuring machines.   punch cards.      symbols: 0 and 1.    logic is produced.


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