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dr tech

A debate between AI experts shows a battle over the technology's future - MIT Technology Review - 0 views

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    "The reason to look at humans is because there are certain things that humans do much better than deep-learning systems. That doesn't mean humans will ultimately be the right model. We want systems that have some properties of computers and some properties that have been borrowed from people. We don't want our AI systems to have bad memory just because people do. But since people are the only model of a system that can develop a deep understanding of something-literally the only model we've got-we need to take that model seriously."
dr tech

Climate change models have been accurate since the 1970s - 0 views

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    "Half a century ago, before the first Apple computer was even sold, climate scientists started making computer-generated forecasts of how Earth would warm as carbon emissions saturated the atmosphere (the atmosphere is now brimming with carbon). It turns out these decades-old climate models - which used math equations to predict how much greenhouse gases would heat the planet - were pretty darn accurate. Climate scientists gauged how well early models predicted Earth's relentless warming trend and published their research Wednesday in the journal Geophysical Research Letters."
Ali Atakan

New app enables regular smartphones to capture 3D images | NDTV Gadgets - 0 views

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    Scientists have developed an app that allows an ordinary smartphone to capture and display three-dimensional models of real-world objects. Instead of taking a normal photograph, a user simply moves the phone around the object of interest and after a few motions, a 3D model appears on the screen.
dr tech

Science relies on computer modelling, but what happens when it goes wrong? -- Science & Technology -- Sott.net - 0 views

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    Much of current science deals with even more complicated systems, and similarly lacks exact solutions. Such models have to be "computational" - describing how a system changes from one instant to the next. But there is no way to determine the exact state at some time in the future other than by "simulating" its evolution in this way. Weather forecasting is a familiar example; until the advent of computers in the 1950s, it was impossible to predict future weather faster than it actually happened.
dr tech

How bad were Ofqual's grades - by Huy Duong - HEPI - 0 views

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    "Therefore even Ofqual's best model significantly worsened grade accuracy for most A-level subjects when the cohort size is below 50, which is common (almost 62% of the total in 2019). For GCSEs, even with larger cohorts, the best model would have worsened the grade accuracy for Maths and Sciences. A very conservative figure of 25% of wrong grades would have amounted to 180,000 wrong A-level grades and 1.25 million wrong GCSE grades."
dr tech

A machine-learning system that guesses whether text was produced by machine-learning systems / Boing Boing - 0 views

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    "Automatically produced texts use language models derived from statistical analysis of vast corpuses of human-generated text to produce machine-generated texts that can be very hard for a human to distinguish from text produced by another human. These models could help malicious actors in many ways, including generating convincing spam, reviews, and comments -- so it's really important to develop tools that can help us distinguish between human-generated and machine-generated texts."
dr tech

Together we can thwart the big-tech data grab. Here's how | John Harris | Opinion | The Guardian - 0 views

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    "Blockchain technology has also opened the way to new models whereby endless micropayments can be made in return for particular online services or content; and, if people voluntarily allow elements of their data to be used, rewards can flow the other way. Here perhaps lies the key to a system beyond the current, Google-led model, in which services appear to be free but the letting-go of personal data is the actual price."
dr tech

AI is making literary leaps - now we need the rules to catch up | Opinion | The Guardian - 0 views

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    "If true, this would be a big deal. But, said OpenAI, "due to our concerns about malicious applications of the technology, we are not releasing the trained model. As an experiment in responsible disclosure, we are instead releasing a much smaller model for researchers to experiment with, as well as a technical paper.""
dr tech

Special report: The simulations driving the world's response to COVID-19 - 0 views

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    "But, as he and other modellers warn, much information about how SARS-CoV-2 spreads is still unknown and must be estimated or assumed - and that limits the precision of forecasts. An earlier version of the Imperial model, for instance, estimated that SARS-CoV-2 would be about as severe as influenza in necessitating the hospitalization of those infected. That turned out to be incorrect."
dr tech

We need to rethink social media before it's too late. We've accepted a Faustian bargain | Social media | The Guardian - 0 views

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    "Our social media platforms are powered by a surveillance-based business model designed to mine, manipulate, and extract our human experiences at any cost, causing a breakdown of our information ecosystem and shared sense of truth worldwide. This extractive business model is not built for us but built to exploit us."
dr tech

Smart 3D modeling lets you mess with faces in videos - 0 views

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    " In other words: get ready for an era when even the most plausible videos aren't safe from a little computer trickery."
dr tech

Harvard Study Proves Apple Slows Down old iPhones to Sell Millions of New Models - Anonymous - 0 views

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    "People have made the anecdotal observation that their Apple products become much slower right before the release of a new model. Now, a Harvard University study has done what any person with Google Trends could do, and pointed out that Google searches for "iPhone slow" spiked multiple times, just before the release of a new iPhone each time."
dr tech

These weird, unsettling photos show that AI is getting smarter | MIT Technology Review - 0 views

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    "This time the model could look at both the surrounding words and the content of the image to fill in the blank. Through millions of repetitions, it could then discover not just the patterns among the words but also the relationships between the words and the elements in each image."
Mcdoogleh CDKEY

BBC News - Schools must embrace mobile technology - 0 views

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    The need for schools to prepare for 21st century learning was top of the agenda at this year's BETT conference.They must embrace mobile technologies, games, podcasts and social networking, according to leading educationalist Professor Stephen Heppell.Schools should also break away from traditional classroom and curriculum models, he argued.The gap between those schools embracing technology and those not is getting bigger, he said.Prof Heppell was speaking to delegates at BETT, the world's biggest educational technology show.
dr tech

Algorithmic cruelty: when Gmail adds your harasser to your speed-dial / Boing Boing - 0 views

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    "It's not that Google wants to do this, it's that they didn't anticipate this outcome, and compounded that omission by likewise omitting a way to overrule the algorithm's judgment. As with other examples of algorithmic cruelty, it's not so much this specific example as was it presages for a future in which more and more of our external reality is determined by models derived from machine learning systems whose workings we're not privy to and have no say in. "
dr tech

Artificial intelligence creates sound effects for silent videos that fool humans / Boing Boing - 0 views

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    "This algorithm uses a recurrent neural network to predict sound features from videos and then produces a waveform from these features with an example-based synthesis procedure. We show that the sounds predicted by our model are realistic enough to fool participants in a "real or fake" psychophysical experiment, and that they convey significant information about material properties and physical interactions."
dr tech

Statistically, self-driving cars are about to kill someone. What happens next? | Science | The Guardian - 0 views

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    "As the miles grow, the odds shrink. At some point, a car driving autonomously or semi-autonomously will cause a fatal accident. If their performance is remotely comparable to a human's, that moment could come within the next 18-24 months. If so, by the law of averages it will probably involve a Tesla Model 3. Self-driving cars may be about to have their Driscoll moment."
dr tech

Hands on with India's £3 smartphone - BBC News - 0 views

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    "Ringing Bells also plans to sell other more expensive handsets - ranging in price up to about $100 (£75) - at a profit. But, with just over a week to go until Freedom 251's launch, critics remain unconvinced. "I find it difficult to believe that any sort of phone can be manufactured for 251 rupees, so it's difficult to see what kind of business model they have," says Pranav Dixit, a tech expert at the news site Factor Daily."
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