New quantum tunneling transistors to make PCs less power-hungry

Yes, that awesome new 8-core chip in your PC is the fastest thing on the block, but it’s got your utility meter spinning accordingly. Fortunately, researchers from Penn State have come up with a new high performance transistor that may turn future chips from power hogs into current-sipping silicon. The group, in cooperation with semiconductor manufacturer IQE, has created a high-performance transistor capable of significantly reducing power demand whether it’s idle or switching. Doctoral candidate Dheeraj Mohata’s the one who made it happen by inventing an alternative to traditional MOSFET (metal-oxide semiconductor field-effect transistors) technology capable of turning on and off using far less power. Mohata’s method uses a tunneling field effect transistor crafted from dissimilar semiconductor materials to provide instant on-off capability at 300 millivolts — compared to MOSFET’s one volt requirement — to provide a power savings of 70 percent. You can dig deeper into the technical transistor details at the source, but all you really need to know is that the ladies love a PC with paltry power consumption.

New quantum tunneling transistors to make PCs less power-hungry originally appeared on Engadget on Mon, 12 Dec 2011 15:03:00 EDT. Please see our terms for use of feeds.

Permalink Physorg  |  sourcePenn State University  | Email this | Comments

Corning peels back the petals on Lotus Glass, promises low-power, high performance

The glass masters over at Corning are at it again. The same company that unleashed Gorilla Glass upon the world has now come out with a brand new, albeit less ferocious-sounding material, known as Corning Lotus Glass. Designed with LCD and OLED displays in mind, this substrate promises to deliver pristine picture quality without sucking up too much power. According to Corning, this performance is largely due to Lotus’ thermal and dimensional stability, which allows for greater resolution and speedier response times. These thermal properties also allow it to maintain its form during especially hot processing, thereby avoiding any nasty warping effects. Corning Lotus Glass has already launched into production, but there’s no word yet on when we can expect to see it pop up in commercial products. Head past the break for a rather florid press release.

Continue reading Corning peels back the petals on Lotus Glass, promises low-power, high performance

Corning peels back the petals on Lotus Glass, promises low-power, high performance originally appeared on Engadget on Wed, 26 Oct 2011 09:16:00 EDT. Please see our terms for use of feeds.

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GE’s new factory will push out one solar panel every ten seconds

General Electric is sending its troops to Colorado to conquer the thin film solar panel business. The 38th state will play home to a new facility that leverages the supermodel-thin panel know-how of PrimeStar Solar, which GE scooped up back in 2008. In traditional solar panels, sand is refined into silicon ingots, sliced wafers of which are then placed in a frame. The thin film process eliminates this, sandwiching layers of semiconductors between panes of glass — saving time, money and, most importantly, energy. The factory will open ahead of schedule in 2012 and is reportedly capable of producing a new panel every ten seconds. You can learn all of that and more in the press release we’ve got for you after the break.

Continue reading GE’s new factory will push out one solar panel every ten seconds

GE’s new factory will push out one solar panel every ten seconds originally appeared on Engadget on Mon, 17 Oct 2011 15:55:00 EDT. Please see our terms for use of feeds.

Permalink BusinessWire  |  sourceGE Energy  | Email this | Comments

Rohm Wireless Power Transmission system hands-on (video)

Wireless power demos abound at CEATEC, and Rohm Semiconductor had their own variant on hand with a complete mix of direct-draw gadgets, along with the omnipresent charging iPhone 4 (or was it a 4S?). Like Murata’s prototype, the Rohm flavor uses square electrodes instead of the coils that you’ll find in traditional wireless power solutions, like Qi. But unlike that seemingly identical solution from Murata, this version supports much greater power efficiency — something in the 92 to 93 percent range (compared to the competing pad’s 70-percent efficiency rating). That means that the prototype that we’re looking at here loses just seven to eight percent of power during transmission — which is still unacceptably high, mind you, but far more tolerable. Rohm’s Wireless Power Transmission system also allows you to charge or power devices by placing them anywhere on the pad, rather than directly over charging positions, and it supports much greater transmission, with one prototype outputting up to 100 watts.

Since power efficiency isn’t something we could verify visually, what we could see at the company’s demo did appear to work quite well. Powering a gadget is as simple as dropping it on the pad. Well, resting it gently — this is a prototype we’re talking about, after all. The 50-watt pad was able to power a fan, LED light, and a couple of charging smartphones without issue. The light and fan jumped to full power as soon as they made contact. A second pad got the juices flowing to a large OLED light panel, which was plenty bright when positioned on its own pad, but glowed quite dim when joining other devices. There weren’t any charging laptops on hand, like we saw over at Murata, but with power output at 50 and 100 watts, either pad could theoretically support it. Like many of the prototypes we’ve seen at CEATEC, there aren’t any plans to actually bring the system to market, but the technology could be used in other devices. We go hands-on after the break.

Continue reading Rohm Wireless Power Transmission system hands-on (video)

Rohm Wireless Power Transmission system hands-on (video) originally appeared on Engadget on Thu, 06 Oct 2011 09:42:00 EDT. Please see our terms for use of feeds.

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Murata Wireless Power Transmission System supports laptops, we go hands-on (video)

Do we really need another wireless charging system that’s incompatible with industry standards? Murata seems to think that we do. The company’s prototype uses neither conductive nor inductive transmission, instead bringing its new capacitive coupling technology to the cordless charging mix. Capacitive coupling uses square transmitter and receiver electrodes, instead of the coils used with Qi devices. It also doesn’t require a physical connection like near-obsolete conductive tech, which dictates that both the charging pad and receiving device use metal connectors that must be joined to transfer current. The Murata system is far from being production-ready, with only 70 percent efficiency (30 percent of electricity is lost during transmission). The sample the company had on hand can support 16 watts of output with a maximum of 2.1 amps, making each pad capable of charging several small gadgets, or one larger device, like a laptop.

Murata seemed more interested in demonstrating the concept behind capacitive coupling than actually proving that it works — the laptop we saw “charging” was a plastic mockup, though the base did glow red when the laptop’s charging pad came into contact (though it also glowed blue at times, as you can see in the image above). We did take a close look at an iPhone case, however, which appeared to be remarkably thin — much thinner than models from Powermat, for example, though the case does extend below the dock connector. Another advantage of the square electrodes is that you don’t need to place devices in a certain position on the mat in order for them to charge — they simply need to be positioned within the general charging area. We take a closer look in the video after the break.

Continue reading Murata Wireless Power Transmission System supports laptops, we go hands-on (video)

Murata Wireless Power Transmission System supports laptops, we go hands-on (video) originally appeared on Engadget on Wed, 05 Oct 2011 07:33:00 EDT. Please see our terms for use of feeds.

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Piezoelectric system turns your balmy breath into pungent power

Researchers at the University of Wisconsin-Madison have come up with a way to produce electricity from just about the most renewable source known to man — his own breath. It’s all thanks to a plastic microbelt developed by engineers Xudong Wang, Chengliang Sun and Jian Shi. Made of a material known as polyvinylidene fluoride (PVDF), this belt produces an electric charge whenever low-speed airflow passes over it and causes it to vibrate — a result of that vaunted piezoelectric effect. Eventually, Wang and his team were able to tinker with their system to the point where it could produce enough current to charge small electronic devices. “The airflow of normal human respiration is typically below about two meters per second,” Wang explained. “We calculated that if we could make this material thin enough, small vibrations could produce a microwatt of electrical energy that could be useful for sensors or other devices implanted in the face.” The researchers say their technology could be used to power smaller biomedical devices like blood monitors and pacemaker batteries, which typically don’t demand vast amounts of energy. No word yet on when this system could make its way to the mainstream, but we’ll be waiting with bated breath.

Piezoelectric system turns your balmy breath into pungent power originally appeared on Engadget on Wed, 05 Oct 2011 04:02:00 EDT. Please see our terms for use of feeds.

Permalink PhysOrg  |  sourceUniversity of Wisconsin-Madison  | Email this | Comments

Dean Kamen files patent application for an inflatable, illuminated wind turbine

Inflatable wind turbines may not be an entirely new idea, but prolific inventor Dean Kamen has detailed one of a slightly different sort in a recently published patent application. In addition to generating energy for general use, the turbine would also be able to power a set of LEDs adorning the turbine itself, which could be used to display advertising or other information using a persistence of vision effect. The application even suggests that multiple turbines could be linked together and synchronized to form one large billboard. Of course, it is still just that, a patent application — but it is assigned to Kamen’s DEKA company, so it may not be quite as far off from reality as some other applications.

Dean Kamen files patent application for an inflatable, illuminated wind turbine originally appeared on Engadget on Sat, 17 Sep 2011 18:33:00 EDT. Please see our terms for use of feeds.

Permalink New Scientist  |  sourceUSPTO  | Email this | Comments

Dyson unleashes DC41 Animal vacuum cleaner for pigpen apartments

We normally wouldn’t leave our housework in the hands of an animal, but Dyson‘s new DC41 Animal vacuum cleaner may force us to reconsider. The company’s latest Ball-based sweeper uses Dyson’s proprietary (and complicated-sounding) Radial Root Cyclone technology to maximize its 235 air watts of suction power — most of which is concentrated at the cleaner’s head. It also ships with a mini turbine head, which you can use to clean up the hair that real animals leave on your car seat. In true Dysonian fashion, however, this Ball-bearing beast won’t come for cheap. You can scoop one up at the source link below, for a cool $600.

Dyson unleashes DC41 Animal vacuum cleaner for pigpen apartments originally appeared on Engadget on Thu, 01 Sep 2011 19:11:00 EDT. Please see our terms for use of feeds.

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Inhabitat’s Week in Green: Lighting superbike, kinetic energy generator and vibrating gloves

Each week our friends at Inhabitat recap the week’s most interesting green developments and clean tech news for us — it’s the Week in Green.

It’s been an epic week for environmental news as Inhabitat reported that the East Coast battened its hatches against the force of Hurricane Irene, which has arrived in the wake of a 5.8 earthquake that shook the Eastern Seaboard from Virginia to New York. We compiled a series of tips to help our readers weather the storm, and we took a closer look at the six nuclear power plants that were shaken by the East Coast’s unusual quake. We also showcased several incredible examples of high-tech architecture — the recently crowned world’s tallest LEED platinum building and the world’s longest tunnel, which Russia recently announced would span the Bering Straight.

Speaking of remarkable advancements in sustainable transportation, this week we took at look at what could be most powerful electric car on earth, and we brought you footage of the 200 mph Lighting superbike breaking a world land speed record. We also saw eco vehicles take off for greener horizons as Oliver VTOL unveiled an ultra-efficient airplane with 6 engines, a team of engineers in Africa constructed a DIY space shuttle in a local garden, and the flying ParaMoto Trike soared through the skies. On the topic of air travel, you may also want to check out our six tips for flying with small children (without Benadryl).

It was a big week for wearable technology as well, as researchers unveiled a powerful kinetic energy generator that can fit in your sneakers. We also saw a vibrating glove that improves motor performance, a haptic glove that allows the blind to see with sonar, and a range of antenna-embedded clothing that offers a discreet form of hands-free communication. Finally, we heard Ashton Kutcher predict that wearable technology will be the next big wave, and we shared a glow-in-the-dark sequin gown that would make a choice piece of evening wear if this weekend’s storm knocks the lights out.

Inhabitat’s Week in Green: Lighting superbike, kinetic energy generator and vibrating gloves originally appeared on Engadget on Sun, 28 Aug 2011 20:30:00 EDT. Please see our terms for use of feeds.

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IBM’s cognitive computing chip functions like a human brain, heralds our demise (video)

After having created a supercomputer capable of hanging with Jeopardy’s finest, IBM has now taken another step toward human-like artificial intelligence, with an experimental chip designed to function like a real brain. Developed as part of a DARPA project called SyNAPSE (Systems of Neuromorphic Adaptive Plastic Scalable Electronics), IBM’s so-called “neurosynaptic computing chip” features a silicon core capable of digitally replicating the brain’s neurons, synapses and axons. To achieve this, researchers took a dramatic departure from the conventional von Neumann computer architecture, which links internal memory and a processor with a single data channel. This structure allows for data to be transmitted at high, but limited rates, and isn’t especially power efficient — especially for more sophisticated, scaled-up systems. Instead, IBM integrated memory directly within its processors, wedding hardware with software in a design that more closely resembles the brain’s cognitive structure. This severely limits data transfer speeds, but allows the system to execute multiple processes in parallel (much like humans do), while minimizing power usage. IBM’s two prototypes have already demonstrated the ability to navigate, recognize patterns and classify objects, though the long-term goal is to create a smaller, low-power chip that can analyze more complex data and, yes, learn. Scurry past the break for some videos from IBM’s researchers, along with the full press release.

Continue reading IBM’s cognitive computing chip functions like a human brain, heralds our demise (video)

IBM’s cognitive computing chip functions like a human brain, heralds our demise (video) originally appeared on Engadget on Thu, 18 Aug 2011 10:06:00 EDT. Please see our terms for use of feeds.

Permalink VentureBeat  |  sourceIBM Research  | Email this | Comments