In Solar Cells, Tweaking the Tiniest of Parts Yields Big Jump in EfficiencyScientists from the University at Buffalo, Army Research Laboratory and Air Force Office of Scientific Research have developed a new, nanomaterials-based technology that has the potential to increase the efficiency of photovoltaic cells up to 45 percent.
-- Specifically, the scientists have shown that embedding charged quantum dots into solar cells can improve electrical output by enabling the cells to harvest infrared light, and by........Go to the Gadget-blog (Added on 1/20/2012 6:35:27 PM)
An application for every occasionThe Nokia W8 has an application to suit all. It includes a HTML Browser along with various social networking sites applications that allow the user to stay in touch with both their friends and family on a regular basis whilst on the go!
Facebook and Twitter are two of the most popular social networking applications available and both come with the option of push notifications. This will notify the user of when he or she has been contacted........Go to the Cell-phone-blog (Added on 7/7/2011 7:40:27 AM)
Putting a new spin on computingIn a recent publication in Physical Review Letters, physicists at the University of Arizona propose a way to translate the elusive magnetic spin of electrons into easily measurable electric signals. The finding is a key step in the development of computing based on spintronics, which doesn't rely on electron charge to digitize information.
Unlike conventional computing devices, which require electric charges to flow along a circuit,........Go to the Computer-blog (Added on 6/21/2011 11:27:39 PM)
Electronic life on the edgeAs far back as the 1990s, long before anyone had actually isolated graphene � a honeycomb lattice of carbon just one atom thick � theorists were predicting extraordinary properties at the edges of graphene nanoribbons. Now physicists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), and their colleagues at the University of California at Berkeley, Stanford University, and other institutions, have made the........Go to the Gadget-blog (Added on 5/8/2011 9:40:39 PM)
Batteries charge quickly and retain capacityThe batteries in Illinois professor Paul Braun's lab look like any others, but they pack a surprise inside.
Braun's group developed a three-dimensional nanostructure for battery cathodes that allows for dramatically faster charging and discharging without sacrificing energy storage capacity. The researchers' findings would be reported in the March 20 advance online edition of the journal Nature Nanotechnology.
Aside from quick-charge........Go to the Gadget-blog (Added on 3/20/2011 10:05:39 PM)
Better Memory ChipsEngineering scientists at the University of Michigan have found a way to improve the performance of ferroelectric materials, which have the potential to make memory devices with more storage capacity than magnetic hard drives and faster write speed and longer lifetimes than flash memory.
In ferroelectric memory the direction of molecules' electrical polarization serves as a 0 or a 1 bit. An electric field is used to flip the polarization,........Go to the Computer-blog (Added on 3/15/2011 10:30:11 PM)
Growing nanolasers on siliconEngineers at the University of California, Berkeley, have found a way to grow nanolasers directly onto a silicon surface, an achievement that could lead to a new class of faster, more efficient microprocessors, as well as to powerful biochemical sensors that use optoelectronic chips.
They describe their work in a paper to be published Feb. 6 in an advanced online issue of the journal Nature Photonics
"Our results impact a broad spectrum........Go to the Computer-blog (Added on 2/7/2011 8:06:22 AM)
A Practical Path to Superfast ComputingThey said it could be done and now they've done it. What's more, they did it with a GRIN. A team of scientists with the U.S. Department of Energy (DOE)'s Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California, Berkeley, have carried out the first experimental demonstration of GRIN - for gradient index - plasmonics, a hybrid technology that opens the door to a wide range of exotic optics, including superfast........Go to the Computer-blog (Added on 1/25/2011 7:14:46 AM)
Agloves work with touchscreensWinter can be harsh with all of its cold and snow, especially for those of us that have smart phones. Why you ask? We have to strip gloves off every time we want to be able to use the thing, which is really inconvenient and hard on your hands. Sure they�ve made some gloves that have conductive nubs or weird nipples, but what if you could wear plain ole gloves? No annoying bits or bobbles attached to them to make them functional
Some........Go to the Cell-phone-blog (Added on 1/16/2011 6:40:32 PM)
Supercomputer unravels structures in DVD materialsEventhough the storage of films and music on a DVD is part of our digital world, the physical basis of the storage mechanism is not understood in detail. In the current issue of the leading journal Nature Materials, scientists from J�lich, Finland, and Japan provide insight into the read and write processes in a DVD. This knowledge should enable improved storage materials to be developed. (DOI: 10.1038/NMAT2931).
Storage of information is........Go to the Computer-blog (Added on 1/10/2011 6:24:10 AM)
Replacing Cable Television Service with Satellite Internetobody likes bills. And with the number of “must-need” services rising, thrifty consumers are looking for ways to consolidate services and shave off unnecessary expenses. One such move that more people are making is cutting out the cable bill and getting their entertainment fix via satellite internet. For some, it’s a savings of nearly $100 each month, which can add up pretty quickly in today’s economy. But how exactly is this done? Here are........Go to the Computer-blog (Added on 1/2/2011 10:13:56 PM)
Ffirst high-temp spin-field-effect transistorn international team of scientists featuring Texas A&M University physicist Jairo Sinova has announced a breakthrough that gives a new spin to semiconductor nanoelectronics and the world of information technology.
The team has developed an electrically controllable device whose functionality is based on an electron's spin. Their results, the culmination of a 20-year scientific quest involving a number of international scientists and groups,........Go to the Gadget-blog (Added on 12/23/2010 8:52:32 PM)
Increase in smart-phone litigationThe flurry of smart-phone patent suits at the U.S. International Trade Commission (ITC) is being driven by technology companies eager to capitalize on the speed and expertise of the specialized venue, says a University of Illinois patent strategy expert.
Business professor Deepak Somaya says that this current wave of patent litigation is a "clash driven by company strategies".
"Smart phones combine lots of amazing innovation from both........Go to the Cell-phone-blog (Added on 12/8/2010 7:05:40 AM)
Cell phones help save the livesSimple mobile technology, like basic cell phones, can be used to save the lives of mothers in childbirth, and improve the care of newborns and children, reaching underserved populations in remote areas.
More advanced mobile technology can do even more, such as checking on patients, keeping records, improving diagnosis and therapy in the field, and letting community health workers consult general practitioners and specialists for guidance.
........Go to the Cell-phone-blog (Added on 11/8/2010 7:38:20 AM)
Powergorilla: portable chargerI have been testing a Powergorilla portable charger for a few weeks now, mainly as a phone charger for extended trips rather than a laptop charger, and one thing sticks out – this is not your average power block. The massive 21000mAh capacity battery pack for standard 5V USB devices is absolutely superb, and means you can keep all your gadgets charged on the move, without having to worry about finding a mains power........Go to the Gadget-blog (Added on 10/24/2010 11:13:26 PM)
Tech Solutions Start With Pattern RecognitionBuy something online, enter your credit card number and mailing address. Simple. Then you come to the box with the CAPTCHA, the Completely Automated Public Turing Test to Tell Computers and Humans Apart. Here, the website attempts to confirm that you're a human, not some robot about to commit a cybercrime. You dutifully copy down the warped, watery-looking letters.
Incorrect. Another captcha appears. You try again. Also incorrect. A third........Go to the Computer-blog (Added on 10/15/2010 6:52:52 AM)
A computer may drive your car somedayNavigating our way down the street is something most of us take for granted; we seem to recognize cars, other people, trees and lampposts instantaneously and without much thought. In fact, visually interpreting our environment as quickly as we do is an astonishing feat requiring an enormous number of computations-which is just one reason that coming up with a computer-driven system that can mimic the human brain in visually recognizing objects........Go to the Computer-blog (Added on 9/16/2010 8:42:14 AM)
Google Android Net Books - The next generation PCs?Net books have always been the enviable gadgets, which gives us the ability stay connected while we are on the move. They are quite appealing and fashionable at the same time. They have grown more in popularity after the release of wireless Internet broadband through the USB ports.
The advent of 3G technology gives us the power to have full fledged wireless broadband connections on portable devices, without having to rely only on the Wi-Fi........Go to the Computer-blog (Added on 9/8/2010 11:06:19 PM)
3-D movies via Internet and satelliteBlockbusters like Avatar, UP or Toy Story 3 will bring the 3-D into home living rooms, televisions and computers. There are already displays available and the new Blu-Ray players can already play 3-dimensional movies based on MVC. The first soccer games were recorded stereoscopically at the Football World Championships in South Africa. What is missing is an efficient form of transmission.
The problem is the data rate mandatory by the movies ........Go to the Gadget-blog (Added on 8/27/2010 7:30:09 AM)
Glorious gadolinium gives flash memoryCollege Park, MD (August 24, 2010) -- Future flash memory could be faster and store more data without changing its basic design by using a clever nanocrystal material proposed by researchers at Taiwan's Chang Gung University, who describe a new logical element made with the rare earth material gadolinium in the journal APPLIED PHYSICS LETTERS, which is published by the American Institute of Physics.
It's well known in the semiconductor........Go to the Gadget-blog (Added on 8/24/2010 5:59:45 PM)
New laser technology could kill viruses and improve DVDsA team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to increase storage capacity of DVDs.
Ultraviolet semiconductor diode lasers are widely used in data processing, information storage and biology. Their applications have been limited, however, by size, cost and power. The........Go to the Gadget-blog (Added on 7/5/2011 8:58:29 PM)
Optics in LEDs for lightingLight-emitting diodes (LEDs) have been changing the way we see the world since the 1960s. Their usage in everyday life is pervasive and continues to increase thanks to the cutting-edge research being done in the field of optics. To highlight breakthroughs in LEDs, the editors of Energy Express, a bi-monthly supplement to Optics Express, the open-access journal of the Optical Society (OSA), today published a special Focus Issue on Optics in LEDs........Go to the Computer-blog (Added on 7/5/2011 8:21:13 PM)
Cloud ComputingCloud.CM is a cloud computing website for people of all ages and backgrounds. Using leading-edge technology they have created an online virtual desktop that can be accessed anytime and from anywhere. Users can use Cloud.CM to create, store, and share files while simultaneously collaborating with friends, family, and colleagues in a secured and safe environment. They provide additional multimedia and social networking tools that serve to round........Go to the Computer-blog (Added on 4/5/2011 11:04:53 PM)
Smart Phones Not Replacing Other MediaOhio - In a first-of-its-kind study, scientists observed that mobile media technologies such as smart phones aren't taking people away from relying on traditional media sources such as newspapers or television.
Instead, mobile media are filling the spaces in people's daily routine in which other media sources are either unavailable or inconvenient to use.
That suggests mobile media use is taking a different path to popularity than did........Go to the Cell-phone-blog (Added on 3/20/2011 10:24:00 PM)
A Technology Tourist in New YorkTaking a trip to New York can be very rewarding for those who have an interest in technology. Home to some of the greatest museums and technological attractions in the world, New York will make any tech geek feel right at home. Visiting some of these museums will not only fill the day with wonder, but it will offer technology buffs a chance to enjoy a day in an environment they love.
One of the best technology sites to visit when in New York........Go to the Gadget-blog (Added on 2/27/2011 1:50:13 PM)
New lab-on-chip advanceScientists have invented a technique that uses inexpensive paper to make "microfluidic" devices for rapid medical diagnostics and chemical analysis.
The innovation represents a way to enhance commercially available diagnostic devices that use paper-strip assays like those that test for diabetes and pregnancy.
"With current systems that use paper test strips you can measure things like pH or blood sugar, but you can't perform more complex........Go to the Gadget-blog (Added on 1/26/2011 7:03:38 AM)
Increasing wireless speedIn the first phase of a more than two-year study funded by InterDigital, Virginia Tech scientists have made great strides in the development of more reliable and efficient spectrum sensing techniques that will be needed to meet the ever-expanding demand for wireless technologies.
"The U.S. government has noted that broadband wireless access technologies are a key foundation for economic growth, job creation, global competitiveness, and a........Go to the Gadget-blog (Added on 1/25/2011 7:55:45 AM)
Better than the human eyecientists from Northwestern University and the University of Illinois at Urbana-Champaign are the first to develop a curvilinear camera, much like the human eye, with the significant feature of a zoom capability, unlike the human eye.
The "eyeball camera" has a 3.5x optical zoom, takes sharp images, is inexpensive to make and is only the size of a nickel. (A higher zoom is possible with the technology.).
While the camera won't be........Go to the Gadget-blog (Added on 1/18/2011 7:42:48 AM)
The ChaseTo build excitement around the 2nd Generation Intel Core i5 processor, Intel is launching an action-adventure video titled "The Chase." The spot demonstrates the performance capabilities of the new processors by creating an action-movie style chase sequence that takes place through a wide variety of program windows on a computer desktop
YouTube lin........Go to the Computer-blog (Added on 1/9/2011 10:12:43 PM)
Better control of building blocks for quantum computerResearchers from the Kavli Institute of Nanoscience at Delft University of Technology and Eindhoven University of Technology have succeeded in controlling the building blocks of a future super-fast quantum computer. They are now able to manipulate these building blocks (qubits) with electrical rather than magnetic fields, as has been the common practice up till now. They have also been able to embed these qubits into semiconductor nanowires.........Go to the Computer-blog (Added on 12/24/2010 1:23:29 PM)
Deals on Electronics, Watches, Family ProductsNew York (12/10/2010)-For perpetual bargain hunters and other shoppers looking to get a great deal on the latest electronics, brand name watches, wireless accessories, jewelry and more, 1SaleaDay.com is the lowest-priced deal-of-the-day website offering unheard-of exclusive deals on just a single item and only for 24 hours. High end laptops using the new Intel Core vPro Processor family, as well as a number of netbooks have been going for very cheap prices as part of their holiday sales. To keep customers coming back for more, 1SaleaDay.com even offers surprise free products once or twice a week. As the........Go to the Gadget-blog (Added on 12/10/2010 11:27:44 PM)
Is Satellite Internet for You?With so many broadband choices available today, it can be overwhelming when selecting the best choice for you. Satellite internet is a great broadband choice, but it's not the best option for everyone. How do you know if Satellite's right for you? Here are a few questions that will help you decide:
Do you have access to a telephone line or a cable TV line? For those that aren’t plugged into these networks, satellite internet is the way to........Go to the Computer-blog (Added on 11/10/2010 8:36:00 PM)
Advance could change modern electronicsCORVALLIS, Ore. Scientists at Oregon State University have solved a quest in fundamental material science that has eluded researchers since the 1960s, and could form the basis of a new approach to electronics.
The discovery, just reported online in the professional journal Advanced Materials, outlines the creation for the first time of a high-performance "metal-insulator-metal" diode.
"Scientists have been trying to do this for decades,........Go to the Gadget-blog (Added on 11/1/2010 7:42:49 AM)
Waterproof Shower NotebookThis Waterproof Shower Notebook is the perfect way to grab and hold those inspirational thoughts that seem to come only when you’re standing with a head full of suds and loofer in hand. Sure, you could keep a Sharpie for scribbling on the wall tiles, but why not show a bit more class and save on cleaning fluid for the maid? $12.99........Go to the Computer-blog (Added on 10/24/2010 11:13:40 PM)
Benign envy sells iPhonesPeople are willing to pay more for products that elicit their envybut that's only when they are motivated by a positive, non-malignant form of envy, as per a newly released study in the Journal of Consumer Research
"Our studies showed that people who had been made envious of someone who owned an iPhone were willing to pay 80 Euros more on average," write authors Niels van de Ven, Marcel Zeelenberg, and Rik Pieters (Tilburg University).
........Go to the Cell-phone-blog (Added on 10/19/2010 8:54:33 AM)
Netbooks Versus the CompetitionSometimes, in life, the answers are very apparent, but that is not always the case. The matter of choosing the gear to outfit your office is not always as easily settled as one might think. Is it best to go with a PC or a Mac? Can I really afford the price associated with some of these models? What about the printer? Is the thought of printing the number of pages required in my office really practical given the cost of ink cartridges?
........Go to the Computer-blog (Added on 9/19/2010 9:27:12 PM)
New Pathsfor a Stressed-Out InternetThe San Diego Supercomputer Center and Cooperative Association for Internet Data Analysis (CAIDA) at the University of California, San Diego, in a collaboration with scientists from Universitat de Barcelona in Spain and the University of Cyprus, have created the first geometric "atlas" of the Internet as part of a project to prevent our most ubiquitous form of communication from collapsing within the next decade or so.
In a paper published........Go to the Computer-blog (Added on 9/11/2010 9:26:26 AM)
Organic LED light source for home electronicsElectronic products pollute our environment with many heavy metals before, during and after they're used. In the U.S. alone, an estimated 70% of heavy metals in landfill come from discarded electronics. With flat screen TVs getting bigger and cheaper every year, environmental costs continue to mount.
To counter this, a new Tel Aviv University solution applies a discovery in nano-technology, based on self-assembled peptide nanotubes, to........Go to the Gadget-blog (Added on 8/26/2010 7:30:25 AM)
'Spintronics' for next-generation computersUsing powerful lasers, Hui Zhao, assistant professor of physics and astronomy at the University of Kansas, and graduate student Lalani Werake have discovered a new way to recognize currents of spinning electrons within a semiconductor.
Their findings could lead the way to development of superior computers and electronics. Results from their work in KU's Ultrafast Laser Lab would be reported in the recent issue of Nature Physics, a leading........Go to the Computer-blog (Added on 8/25/2010 7:16:44 AM)