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Japan"s SpriteSat research satellite will use magnetoresistive random access memory (MRAM) to do the job of both flash memory and static random access memory (SRAM).
The MRAM can be programmed in 35 nanoseconds--five or six orders of magnitude faster than flash--and reprogrammed an unlimited number of times. Flash memory takes microseconds to program, milliseconds to erase, and can be reused only about 100,000 times.
IBM is working on an new type of memory that combines the pace and reliability of flash with the low cost and high capacity of hard drives.
In two papers published in Science, IBM fellow Stuart Parkin described the technology that he and a team of scientists are working on, called "racetrack" memory.
He believes the milestone could mean devices capable of storing far more data in the same amount of space than currently possible. Spin-offs include super-fast boot times, low cost and unprecedented stability and durability.
Called racetrack memory because data runs around a wire "track", it could eventually lead to solid state devices capable of storing 500,000 songs or 3500 movies - about 100 times more than possible today - with far lower cost and significantly less power consumption.
Scientists have long explored the possibility of storing information in magnetic materials by using "domain walls", the boundaries between magnetic regions in the material. The costly, complex and power-hungry process made the process incredibly difficult.
This results in a spin transfer torque on the domain wall, causing it to move.
The use of spin momentum transfer considerably simplifies the memory device since the current is passed directly across the domain wall without the need for any additional field generators.
Taking an early step toward building superfast computers that run on terahertz waves instead of electricity, University of Utah engineers have developed waveguides that allow for carrying, splitting, and coupling terahertz signals.
The next step is to make devices, such as switches, transistors, and modulators, that operate at terahertz frequencies.
University of Utah engineers took an early step toward building superfast computers that run on far-infrared light instead of electricity: They made the equivalent of wires that carried and bent this form of light, also known as terahertz radiation, which is the last unexploited portion of the electromagnetic spectrum.
“We have taken a first step to making circuits that can harness or guide terahertz radiation,” says Ajay Nahata, study leader and associate professor of electrical and computer engineering. “Eventually – in a minimum of 10 years – this will allow the development of superfast circuits, computers and communications.”
Electricity is carried through metal wires. Light used for communication is transmitted through fiberoptic cables and split into different colors or “channels” of information using devices called waveguides. In a study to be published Friday, April 18 in the online journal Optics Express, Nahata and colleagues report they designed stainless steel foil sheets with patterns of perforations that successfully served as wire-like waveguides to transmit, bend, split or combine terahertz radiation.
“A waveguide is something that allows you to transport electromagnetic radiation from one point to another point, or distribute it across a circuit,” Nahata says.
If terahertz radiation is to be used in computing and communication, it not only must be transmitted from one device to another, “but you have to process it,” he adds. “This is where terahertz circuits are important. The long-term goal is to develop capabilities to create circuits that run faster than modern-day electronic circuits so we can have faster computers and faster data transfer via the Internet.”
Samsung Electronics, the largest consumer electronics company in the world, recently announced their plans to launch the 256GB solid-state disk by the end of the year. This move could revolutionize mobile technology from mp3 players to laptops breaking the capacity and physical size barrier.
Solid state disks (SSD) are revolutionarily because it addresses the many issues a hard disk drive (HDD) has with the magnetic spinning disk. HDD are less idea for mobile transport due to an arm which writes continuously on to the disk platter at high speeds. Thus you will not find these types of disks in portable devices such as mp3 players or hand held computers.
With a transmission distance of up to 2,000km without using electrical regenerators, Huawei" s 100G WDM prototype supports smooth upgrades from 10G/40G technologies. This innovation is expected to further promote and accelerate the commercial use of 100G WDM based solutions.
The current boom in broadband services has placed significant bandwidth demands and 100G WDM technology represents the next-generation in high-speed transport. Operators can transmit 10 times the traffic as compared to 10G WDM technology, the most widely deployed networking bandwidth. 100G WDM lays the foundation for telecom operators to deploy ultra-broadband services such as HDTV and multi-play in the future.
US researchers on Monday announced a breakthrough in optical storage technology which they said may result in the development of 500-gigabyte single disc with the capacity of 100 standard DVDs.
This is equal to the capacity of 20 single-layer Blu-ray discs, 100 DVDs or the hard drive for a large desktop computer
Will BT"s new fibre optic broadband service prove an adequate rival to Virgin Media"s super-fast connections?
When it comes to household fibre optic broadband services, few companies have really had an impact to rival Virgin Media. The company"s high-speed connections - which offer the fastest connection speeds in the UK - have marked the company out from other providers for several years, but it looks like all that could soon change.
BT"s announcement of pricing details for its own fibre optic broadband service are likely to catch the eye of many, but will the so-called Infinity platform really become a strong rival to Virgin Media"s offerings? It"s early to say, but the initial signs are pretty good.
Near June/July 2011 AMD and Intel will roll out their best processors.
I am comparing both processors and you can decide which is better.
Bulldozer is the codename AMD has given to one of the next-generation CPU cores after the K10 microarchitecture for the company"s M-SPACE design methodology, with the core specifically aimed at 10 watt to 125 watt TDP computing products. Bulldozer is a completely new design developed from the ground up. AMD claims dramatic performance-per-watt improvements in HPC applications with Bulldozer cores. Products implementing the Bulldozer core are planned for release during the second quarter of 2011
Ivy Bridge is the codename given to the 22 nm die shrink of the Sandy Bridge architecture. During the Intel Developer Forum (IDF) on September 13, 2010, Intel"s CEO Paul Otellini mentioned that Ivy Bridge processors may be introduced as early as in the second half of 2011. According to early roadmap details, Intel is estimating that Ivy Bridge will offer a 20 percent CPU performance advantage over Sandy Bridge
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