Tag Archives: massachusetts institute of technology

MIT prof and student discover algorithm for predicting trending Twitter topics

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Predicting the future of Twitter's trending topics is, as of right now, an impossibility. But two folks at the Massachusetts Institute of Technology may have cracked the code with an algorithm they're saying predicts -- with 95 percent accuracy -- the topics that will trend in the next hour and a half. The prediction has even been calculated as high as four to five hours ahead of time with the same level of accuracy. Not too bad!

Of course, beyond impressing friends with the predictions, the algorithm has direct implications for the likes of Twitter itself -- being able to sell ads against trending topics could benefit the social media company enormously in its ongoing quest to monetize. At any rate, it's distinctly less dangerous sounding than the last idea we heard involving Twitter and predictions. The algorithm will be presented next week at MIT's Interdisciplinary Workshop on Information and Decision in Social Networks, should you wish to dig into the nitty gritty of the math behind the madness.

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MIT prof and student discover algorithm for predicting trending Twitter topics originally appeared on Engadget on Fri, 02 Nov 2012 10:21:00 EDT. Please see our terms for use of feeds.

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The future of higher education: reshaping universities through 3D printing

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The Future of Higher Education Reshaping Universities through 3D Printing

Featuring four towering limestone columns and classic Flemish-bond brickwork, the century-old Mackay School of Mines Building at the University of Nevada, Reno, has long served as a bastion of Silver State history. Named after Irish immigrant and "Comstock Lode King" John Mackay, notable touches such as a cast bronze statue designed by Mount Rushmore sculptor Gutzon Borglum just outside the building helped it earn a spot in the National Register of Historic Places. Within its oak doors, however, are the makings of an intriguing experiment that's decidedly more new school. Like a mini museum, a collection of 3D-printed models are displayed within the building's sunlit, three-story atrium -- attracting a mix of students and teachers. Even more popular than the displays of plastic gears and molecule models, however, are the two 3D printers that made them: a professional-grade Stratasys uPrint SE Plus and a hobbyist 3DTouch machine.

Gallery: The Future of Higher Education: Reshaping Universities through 3D Printing

The future of higher education: reshaping universities through 3D printing

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The future of higher education: reshaping universities through 3D printing originally appeared on Engadget on Fri, 19 Oct 2012 11:00:00 EDT. Please see our terms for use of feeds.

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MIT pencils in carbon nanotube gas sensor that’s cheaper, less hazardous (video)

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Carbon nanotubes

Carbon nanotube-based sensors are good at sniffing out all kinds of things, but applying the cylindrical molecules to a substrate has traditionally been a dangerous and unreliable process. Now, researchers at MIT have found a way to avoid the hazardous solvents that are currently used, by compressing commercially available nanotube powders into a pencil lead-shaped material. That allowed them to sketch the material directly onto paper imprinted with gold electrodes (as shown above), then measure the current flowing through the resisting carbon nanotubes -- allowing detection of any gases that stick to the material. It works even if the marks aren't uniform, according to the team, and the tech would open up new avenues to cheaper sensors that would be particularly adroit at detecting rotten fruit or natural gas leaks. For more info, sniff out the video after the break.

Continue reading MIT pencils in carbon nanotube gas sensor that's cheaper, less hazardous (video)

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MIT pencils in carbon nanotube gas sensor that's cheaper, less hazardous (video) originally appeared on Engadget on Wed, 10 Oct 2012 14:06:00 EDT. Please see our terms for use of feeds.

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Alt-week 9.1.12: growing bones, repairing voices, and a pair of satellites

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Alt-week peels back the covers on some of the more curious sci-tech stories from the last seven days.

Alt-week 9.1.12: growing bones, repairing voices, and a pair of satellites

There's definitely more than a touch of a biological theme to proceedings this week. In fact, so much so that we thought we might well end up with enough ingredients to make our own cyborg. Or rather, a light-responding canine cyborg with a really cool voice. Yep, science and technology is working hard to make all of these things possible -- albeit independently. If science ever does do the right thing, and pool its resources on such a project, you can thanks us for the tip off. This is Alt-week.

Continue reading Alt-week 9.1.12: growing bones, repairing voices, and a pair of satellites

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Alt-week 9.1.12: growing bones, repairing voices, and a pair of satellites originally appeared on Engadget on Sat, 01 Sep 2012 17:00:00 EDT. Please see our terms for use of feeds.

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MIT ‘microthrusters’ are the size of a penny, could reposition tiny satellites

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MIT 'microthrusters' are the size of a penny, could reposition tiny satellites

Bus-sized satellites require massive engines for even the slightest movements, but as far smaller structures become a possibility, a tiny driving mechanism can offer usable thrust. To serve this next-gen tech, MIT saw a need to develop "microthrusters," which are each the size of a penny and can be mounted to tiny cubed satellites. With thruster components measuring a few microns each, the magnetic levitation system is able to accommodate 500 microscopic tips that emit ion beams in a very small package, serving to push two-pound structures through space. The tiny devices have not made their way into orbit yet, but they have been tested in a vacuum chamber. Because of their size, it's possible to add several to each satellite, then enabling sophisticated movements for more precise turns.

There are currently two dozen "CubeSats" in orbit, each measuring only slightly larger than a Rubik's cube, but without any thrusters to power them, positioning can't be adjusted once they're released. Because of their current location, CubeSats eventually burn up in the atmosphere, but once they're released farther from Earth, they won't be able to enter the atmosphere on their own, remaining in orbit as "space junk" even after completing their missions -- micro thrusters could also serve to move these satellites closer to the planet so they can burn up during re-entry. There's no word on when, or even if, MIT's invention will make its way to the launchpad, but you can take a closer look in the demo video after the break.

Continue reading MIT 'microthrusters' are the size of a penny, could reposition tiny satellites

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MIT 'microthrusters' are the size of a penny, could reposition tiny satellites originally appeared on Engadget on Sat, 18 Aug 2012 09:06:00 EDT. Please see our terms for use of feeds.

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Researchers create Meshworm robot, beat it up (video)

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Researchers create Meshworm robot, beat it up (video)

We've seen a number of options for controlling real worms, but never a worm robot, until now. Enter Meshworm, the latest creation from researchers at MIT, Harvard University and Seoul National University. The bot is made from "artificial muscle" composed of a flexible mesh tube segmented by loops of nickel / titanium wire. The wire contracts and squeezes the tube when heated by a flowing current, but cut the power and it returns to its original shape, creating propulsion in a similar way to its living kin. Taking traditional moving parts out of the equation also makes it pretty hardy, as proven by extensive testing (read: hitting it with a hammer). DARPA is known for getting its fingers in all sorts of strange pies, and it also supported this project. We can't see it being the fastest way of gathering intel, but the potential medical applications, such as next-gen endoscopes, sound plausible enough. Full impact tests in the video after the break.

Continue reading Researchers create Meshworm robot, beat it up (video)

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Researchers create Meshworm robot, beat it up (video) originally appeared on Engadget on Fri, 10 Aug 2012 06:25:00 EDT. Please see our terms for use of feeds.

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All-carbon solar cell draws power from near-infrared light, our energy future is literally that much brighter

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Fully carbon solar cell can power up from infrared light, our future is literally that much brighter

What's this orange-like patch, you ask? It's a layer of carbon nanotubes on silicon, and it might just be instrumental to getting a lot more power out of solar cells than we're used to. Current solar power largely ignores near-infrared light and wastes about 40 percent of the potential energy it could harness. A mix of carbon nanotubes and buckyballs developed by MIT, however, can catch that near-infrared light without degrading like earlier composites. The all-carbon formula doesn't need to be thickly spread to do its work, and it simply lets visible light through -- it could layer on top of a traditional solar cell to catch many more of the sun's rays. Most of the challenge, as we often see for solar cells, is just a matter of improving the energy conversion rate. Provided the researchers can keep refining the project, we could be looking at a big leap in solar power efficiency with very little extra footprint, something we'd very much like to see on the roof of a hybrid sedan.

All-carbon solar cell draws power from near-infrared light, our energy future is literally that much brighter originally appeared on Engadget on Fri, 22 Jun 2012 05:52:00 EDT. Please see our terms for use of feeds.

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MIT’s LiquiGlide could spell the end of slow-moving ketchup nightmares (video)

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ImageA team from MIT has decided to end slow-pouring ketchup problems once and for all with its LiquiGlide project. Instead of karate-chopping the 57 logo on the bottle's neck, a super-non-stick coating is sprayed on the inside of its glass container. It's so good that even highly viscous liquids like ketchup and mayonnaise roll out of the bottle and onto your dinner as if it was water. All the chemicals used are already FDA approved, meaning that it's already safe to be used in food production. If adopted, it'd save around one million tons of trapped sauce from being wasted every year. Since we already have finely-honed ketchup-fu skills, we're hoping the LiquiGlide technique also finds its way into peanut butter jars.

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MIT's LiquiGlide could spell the end of slow-moving ketchup nightmares (video) originally appeared on Engadget on Wed, 23 May 2012 09:29:00 EDT. Please see our terms for use of feeds.

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ZeroN slips surly bonds, re-runs your 3D gestures in mid-air

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Playback of 3D motion capture with a computer is nothing new, but how about with a solid levitating object? MIT's Media Lab has developed ZeroN, a large magnet and 3D actuator, which can fly an "interaction element" (aka ball bearing) and control its position in space. You can also bump it to and fro yourself, with everything scanned and recorded, and then have real-life, gravity-defying playback showing planetary motion or virtual cameras, for example. It might be impractical right now as a Minority Report-type object-based input device, but check the video after the break to see its awesome potential for 3D visualization.

Continue reading ZeroN slips surly bonds, re-runs your 3D gestures in mid-air

ZeroN slips surly bonds, re-runs your 3D gestures in mid-air originally appeared on Engadget on Mon, 14 May 2012 16:07:00 EDT. Please see our terms for use of feeds.

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MIT and Harvard announce edX web education platform, make online learning cheap and easy

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We'll forgive you if you failed to take MIT up on its offer take its courses for free when it rolled out its MITx online learning platform last year. However, Harvard took notice of its efforts, and has joined MIT online to form the edX platform and offer courses and content for free on the web. There's no word on the available subjects just yet, but video lessons, quizzes and online labs will all be a part of the curriculum, and those who comprehend the coursework can get a certificate of mastery upon completion. edX won't just benefit those who log on, either, as it'll be used to research how students learn and how technology can be used to improve teaching in both virtual and brick and mortar classrooms. The cost for this altruistic educational venture? 60 million dollars, with each party ponying up half. The first courses will be announced this summer, and classes are slated to start this fall. Want to know more? Check out the future of higher education more fully in the PR and video after the break.

Continue reading MIT and Harvard announce edX web education platform, make online learning cheap and easy

MIT and Harvard announce edX web education platform, make online learning cheap and easy originally appeared on Engadget on Wed, 02 May 2012 18:39:00 EDT. Please see our terms for use of feeds.

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