2029: the year when robots will have the power to outsmart their makers

Ray Kurzweil, Google expert in artificial intelligence, predicts that by 2029 robots will make jokes and flirt

Garry Kasparov versus Deep Blue in 1997. The computer won – as Ray Kurzweil predicted. Photograph: Stan Honda/AFP/Getty Images

Computers will be cleverer than humans by 2029, according to Ray Kurzweil, Google’s director of engineering.

The entrepreneur and futurologist has predicted that in 15 years’ time computers will be more intelligent than we are and will be able to understand what we say, learn from experience, make jokes, tell stories and even flirt.

Kurzweil, 66, who is considered by some to be the world’s leading artificial intelligence (AI) visionary, is recognised by technologists for popularising the idea of “the singularity” – the moment in the future when men and machines will supposedly converge. Google hired him at the end of 2012 to work on the company’s next breakthrough: an artificially intelligent search engine that knows us better than we know ourselves.

In an interview in today’s ObserverNew Review, Kurzweil says that the company hasn’t given him a particular set of instructions, apart from helping to bring natural language understanding to Google.

“My project is ultimately to base search on really understanding what the language means,” he said. “When you write an article, you’re not creating an interesting collection of words. You have something to say and Google is devoted to intelligently organising and processing the world’s information.

“The message in your article is information, and the computers are not picking up on that. So we would want them to read everything on the web and every page of every book, then be able to engage in intelligent dialogue with the user to be able to answer their questions.”

Kurzweil’s prediction comes hot on the tail of revelations that Google is in the throes of assembling the greatest artificial intelligence laboratory on Earth. The company has bought several machine-learning and robotics companies, including Boston Dynamics, the firm that produces lifelike military robots, for an undisclosed sum; and the smart thermostat maker, Nest Labs, for $3.2bn (£1.9bn).

This month it bought the cutting-edge British artificial intelligence startup DeepMind for £242m and hired Geoffrey Hinton, a British computer scientist and the world’s leading expert on neural networks.

Kurzweil is known for inventing devices that have changed the world – the first flatbed scanner, the first computer program that could recognise a typeface, and the first text-to-speech synthesiser. In 1990 he predicted that a computer would defeat a world chess champion by 1998 (in 1997, IBM’s Deep Blue defeated Garry Kasparov), and he predicted the future prominence of the world wide web at a time when it was only an obscure system that was used by a few academics.

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How revealing a wartime secret rewrote the history

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The road to uncovering a wartime Colossus

The first official information released about Colossus was a single page of information and a few pictures

The story of how the Colossus computer at Bletchley Park aided the allied code-cracking effort during World War II is becoming well known. Its claim to be a forerunner of modern-day computers is also well established.

What is much less well known is the tale of how Colossus’s story came to be told in the first place. It is a tale of how one man’s dogged efforts overcame official secrets and official indifference to rewrite computer history.

Computer scientist Brian Randell was the man who started uncovering the history of Colossus.

That history had to be pried out of the archives because official efforts to cover up its success worked so well. Thousands of people worked in the huts at Bletchley Park during WWII on code-cracking but only a handful were involved with Colossus and fewer still knew everything about it. All those codebreakers signed the Official Secrets Act which demanded that they kept quiet about their wartime career.

Almost all the machines were broken up once they ceased to be useful and design documents were burnt or destroyed at the same time.

“I got to know more about it than they did,” Prof Randell told the BBC. “They were so compartmentalised that those who worked in one hut would not dream of talking to people in another hut.”

Sensitive operation

Prof Randell tripped over the story of Colossus in 1970 while preparing an academic paper on a little-known Irish computer pioneer Percy Ludgate who, in 1908, completed the design for a nascent computer.

Because he had a lot of material left over after writing about Ludgate, Mr Randell decided to use it as the basis of a series of papers dealing with early computers.

While putting those papers together, he was asked why he had written so little about Alan Turing. Prof Randell started to look into Turing’s war work and got tantalising glimpses of the electronic code-cracking machines that had been in use at Bletchley.

One paper written by Jack Good, one of the engineers who helped create Colossus, and published in 1970 mentioned a “classified, electronic” machine that used 1,000 valves to calculate “complicated Boolean functions involving up to about 100 symbols” to crack codes.

The link with Turing, said Prof Randell, was that Colossus drew on Turing’s seminal 1936 paper that laid down the basic specifications for a machine that can could carry out complicated calculations step by step.

Finding a little out about this machine prompted Prof Randell to seek out and correspond with those named as being involved with Colossus even though he now knew that their work was covered by the Official Secrets Act.

“A number of the people I wrote to wrote back in very guarded terms,” said Prof Randell. “We were very much more conscious about those things at that time.”

The result of Prof Randell’s work was a paper in 1972 exploring Turing’s influence on early computers and making mention of the wartime machines.

Prof Randell’s work aided the reconstruction of the Colossus computer

In a bid to pierce the official veil of secrecy, Prof Randell wrote to the prime minister of the day, Ted Heath, asking for more information to be released.

He was turned down flat.

Information could not be released, said Mr Heath, because that “sensitive wartime operation… still has important current implications”.

Modest men

Prof Randell continued to badger civil servants and his efforts were helped by the appearance of several books about Bletchley and code-cracking that mentioned the machines used to read messages sent by the Wermacht, Luftwaffe and Hitler’s generals.

Then, in 1975, a change of government brought a change in policy and Prof Randell was invited to the Cabinet Office to discuss the first official release of information about the Allies’ main codebreaking machine.

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