Tag Archives | Artificial Intelligence
A step closer to artificial intelligence? Discovery News reports:
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A team of researchers lead by Lulu Qian from the California Institute of Technology (Caltech) have for the first developed an artificial neural network — that is, the beginnings of a brain — out of DNA molecules. And when quizzed, the brain answered the questions correctly.
They turned to molecules because they knew that before the neural-based brain evolved, single-celled organisms showed limited forms of intelligence. These microorganisms did not have brains, but instead had molecules that interacted with each other and spurred the creatures to search for food and avoid toxins. The bottom line is that molecules can act like circuits, processing and transmitting information and computing data.
The Caltech used DNA molecules specifically for the experiment, because these molecules interact in specific ways determined by the sequence of their four bases: adenine (abbreviated A), cytosine (C), guanine (G) and thymine (T).
A technology CEO sees game artificial intelligence as the key to a revolution in education, predicting a synergy where games create smarter humans who then create smarter games.
Citing lessons drawn from Neal Stephenson’s The Diamond Age, Alex Peake, founder of Primer Labs, sees the possibility of a self-fueling feedback loop which creates “a Moore’s law for artificial intelligence,” with accelerating returns ultimately generating the best possible education outcomes.
“What the computer taught me was that there was real muggle magic …” writes Peake. And he reaches a startling conclusion.
“Once we begin relying on AI mentors for our children and we get those mentors increasing in sophistication at an exponential rate, we’re dipping our toe into symbiosis between humans and the AI that shape them.
The saddest thought ever: if you say ‘I love you’ to the tiny Cheerio-shaped brain in a petri dish, twelve seconds later it won’t remember. PopSci reports:
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The technicolor ring is an artificial microbrain, derived from rat brain cells–just 40 to 60 neurons in total–that is capable of about 12 seconds of short-term memory.
Developed by a team at the University of Pittsburgh, the brain was created in an attempt to artificially nurture a working brain into existence so that researchers could study neural networks and how our brains transmit electrical signals and store data so efficiently. The did so by attaching a layer of proteins to a silicon disk and adding brain cells from embryonic rats that attached themselves to the proteins and grew to connect with one another in the ring.
But as if the growing of a tiny, functioning, donut-shaped brain in a petri dish wasn’t enough, the team found that when they stimulate the neurons with electricity, the pulse would circulate the microbrain for a full 12 seconds.
Computers may now be able to win on Jeopardy, but they still cannot quite trick us into thinking that they are flesh and blood. Writing for the The Atlantic, Brian Christian discusses taking part in the annual Turing Test, the goal of which is to design a computer that thinks and talks as a human does, and to fool judges into believing that they are chatting with a living person:
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Each year for the past two decades, the artificial-intelligence community has convened for the field’s most anticipated and controversial event—a meeting to confer the Loebner Prize on the winner of a competition called the Turing Test. The test is named for the British mathematician Alan Turing, one of the founders of computer science, who in 1950 attempted to answer one of the field’s earliest questions: can machines think? That is, would it ever be possible to construct a computer so sophisticated that it could actually be said to be thinking, to be intelligent, to have a mind?
MOUNTAIN VIEW, Calif. — Anyone driving the twists of Highway 1 between San Francisco and Los Angeles recently may have glimpsed a Toyota Prius with a curious funnel-like cylinder on the roof. Harder to notice was that the person at the wheel was not actually driving. The car is a project of Google, which has been working in secret but in plain view on vehicles that can drive themselves, using artificial-intelligence software that can sense anything near the car and mimic the decisions made by a human driver...
DARPA and Google seemed to be joined at the hip these days… From the New York Times:
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Give a computer a task that can be crisply defined — win at chess, predict the weather — and the machine bests humans nearly every time. Yet when problems are nuanced or ambiguous, or require combining varied sources of information, computers are no match for human intelligence.
Few challenges in computing loom larger than unraveling semantics, understanding the meaning of language. One reason is that the meaning of words and phrases hinges not only on their context, but also on background knowledge that humans learn over years, day after day.
Since the start of the year, a team of researchers at Carnegie Mellon University, supported by grants from the Defense Advanced Research Projects Agency and Google, and tapping into a research supercomputing cluster provided by Yahoo, has been fine-tuning a computer system that is trying to master semantics by learning more like a human.
There’s just not something right about this. Duncan Geere writes in Wired UK:
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Researchers at the Georgia Institute of Technology may have made a terrible, terrible mistake: They’ve taught robots how to deceive.
It probably seemed like a good idea at the time. Military robots capable of deception could trick battlefield foes who aren’t expecting their adversaries to be as smart as a real soldier might be, for instance. But when machines rise up against humans and the robot apocalypse arrives, we’re all going to be wishing that Ronald Arkin and Alan Wagner had kept their ideas to themselves.
The pair detailed how they managed it in a paper published in the International Journal of Social Robotics. Two robots — one black and one red — were taught to play hide and seek. The black, hider, robot chose from three different hiding places, and the red, seeker, robot had to find him using clues left by knocked-over colored markers positioned along the paths to the hiding places.
Arthur C. Clarke’s 2010: Odyssey Two predicted this was the year when humanity would make contact with an alien intelligence. But if you’ve seen the work of U-Ram Choe, you know the shocking truth: They’re already here.
The brainchild of the South Korean sculptor, “New Urban Species” is an art show disguised as a natural history exhibit from the future, and it’s one of the most engaging displays on tour this year.
U-Ram Choe builds art that comes from a not-to-distant-tomorrow, where organic life and mechanized objects have become one. His kinetic sculptures are not only creepy-fun marvels, they also create a compelling dialog about machine consciousness and the coming Singularity.
In his book Vehicles: Experiments in Synthetic Psychology, brain researcher Valentino Braitenberg demonstrates how human beings invest the increasingly complex behaviors of mechanical devices with a range of values and abilities including aggression, creative thinking, personality and free will, and how we project ourselves into these moving forms.… Read the rest
Vancouver, British Columbia “I actually think most people don’t want Google to answer their questions,” said the search giant’s chief executive, Eric Schmidt, in a recent and controversial interview. “They want Google to tell them what they should be doing next.” Do we really desire Google to tell us what we should be doing next? I believe that we do, though with some rather complicated qualifiers. Science fiction never imagined Google, but it certainly imagined computers that would advise us what to do. HAL 9000, in “2001: A Space Odyssey,” will forever come to mind, his advice, we assume, eminently reliable — before his malfunction. But HAL was a discrete entity, a genie in a bottle, something we imagined owning or being assigned. Google is a distributed entity, a two-way membrane, a game-changing tool on the order of the equally handy flint hand ax, with which we chop our way through the very densest thickets of information. Google is all of those things, and a very large and powerful corporation to boot...