Far Cry 3: Blood Dragon Review
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ROCCAT Hiro Mousepad Review
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How to Install NVIDIA Drivers Guide
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ASUS ROG Orion Pro Gaming Headset Review
ASUS ROG Orion Pro Gaming Headset Review
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EVERCOOL Venti CPU Cooler Review
EVERCOOL Venti Heat-pipe CPU Cooler Review
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ASUS ROG Vulcan ANC Headset Review
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ECS GeForce GT 640 Review
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FEZ Review
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StarDrive Review
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Thermaltake Urban S21 Review
Thermaltake Urban S21 Mid-Tower Case Review
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Enermax Ostrog GT Review
A closer look at the Enermax Ostrog GT.
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ROCCAT Roundup: Mice, Mousepad, and Bungee
ROCCAT Roundup: Mice, Mousepad, and Bungee
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Printing Graphene Circuits via Inkjet
Given their prevalence, there is a decent chance you do not think about the potential inkjet printers have for doing more than just printing out directions or homework. Indeed many researchers have been looking to them for high speed, repeatable production of devices by swapping out ink cartridges for other liquids. Now researchers at Northwestern University have replaced ink with a graphene solution, allowing them to print graphene-based electronic patterns.
Graphene is an atom-thick sheet of carbon with extraordinary electrical and physical properties, making it of great interest to numerous researchers. Producing large quantities of high quality graphene though can be difficult, and that impedes some development with it. The Northwestern researchers however found a way to produce graphene flakes at room temperature using ethanol and ethyl cellulose. These flakes were then combined with a solvent to create a printable ink that is 250 times more conductive than previous attempts at graphene ink.
While the high conductivity of graphene certainly makes this research interesting, its flexibility and strength adds to the printed circuits' potential as they can be used in future, flexible devices. Thanks to the scalability of inkjet printing, such devices could possibly be made quite cheaply, once they ready for production.
Source: Northwestern University
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Qualcomm Sheds Some Light on Mirasol Displays
Qualcomm has been showing off a new display type called a Mirasol display, which is based on the company's micro-electro-mechanical system (MEMS). This technology will have a significant impact on smartphones and tablets, since it will use only about one sixth of the power required by LCD or OLED displays. This will improve battery life by a substantial amount, as displays are one of the most power hungry parts in a smartphone or a tablet. According to Qualcomm, the display will provide a "convergent display experience with paper-like readability in almost any ambient condition," which means that as long as there is some light around you, you should get a good, clear image. However, the technology only works when there is light present because the pixels making up the display works by reflecting light at specific wavelengths. That problem can potentially be avoided by implementing a LED-based solution into the display that can be turned on and off, thus making the display readable at night.
Engadget was able to get a shot of a smartphone and a smartwatch, both using a Mirasol display. The smartphone is sporting a 5.1 inch panel with an impressive 2560x1440 resolution, giving it a pixel per inch count of 577.
The biggest problem with this new technology is that it is still being developed and it will need a few more years in research and development before it will appear in consumer electronics, so for now you will have to make due with regular LCD or OLED displays.
Source: Engadget
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New Magnetic Field Observed
Magnets are the sums of their parts, specifically electrons, as the negatively charged particles have their own small magnetic fields that can align and combine to create the larger ones we are familiar with. The directionality of the magnetic fields comes from the angular momentum or spin of the electrons, which is not related to the spin of a top, and could be used for computing purposes. Researchers at the University of Delaware have recently observed a previously predicted magnetic field which could have some very interesting impacts on future computing technologies.
Spin currents are going to be a critical part of spintronic computers as they will carry information similarly to electrical currents in modern computers. When spin currents travel through some materials though, there can be interesting effects, and the researchers discovered one of these recently. As a pure spin current flowed into a material consisting of a double layer of a heavy metal and a ferromagnetic material, the current diffuses into the ferromagnet and creates a magnetic field within it, capable of switching its magnetization. On its own, that may not seem very interesting, but this new field has the unique property of being confined to the ferromagnet; it does not extend outside of the material.
One of the issues with some spintronic and magnetic technologies is shielding, so one bit or cell does not rewrite another. As this new magnetic field stays within the material though, shielding would not be required, and that would allow for very high circuit densities.
Source: University of Delaware
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Hardware Roundup: Wednesday Edition
Metro: Last Light recently released, and if you're wondering how it'll perform on your PC, it would be best for you to check out the article below. If you're in need of a new case, the IN WIN G7 might be the one for you at a budget friendly price. Jumping into Wireless N doesn't have to be an expensive proposition, as Rosewill's T600N Wireless Router can be had for under $60. Check out the review below to see if it could be the new piece in your home network. We have a look at the Star Wars: The Old Republic gaming mouse, which is a modified version of Razer's Naga Epic decked out in a Star Wars design. There's a review on Lenovo's new Y500 gaming laptop that packs a mighty punch and yet won't set you back near as much as other similar gaming laptops. To keep it cool under an intense frag session, there's a look at the Cooler Master NotePal U2 Plus Cooling Pad, which can fit up to 17" laptops. For the media buff there's a review on the Leawo Total Media Converter Ultimate that can transcode Blu-ray discs, DVDs, and pretty much anything else you can think of.
Cases
IN WIN G7 Mid-Tower @ [H]ardOCP
Gaming
Metro: Last Light Performance, Benchmarked @ TechSpot
Networking
Rosewill T600N Wireless Router @ ThinkComputers
Keyboards/Mice
Star Wars: The Old Republic Gaming Mouse @ Madshrimps
Laptops
Lenovo Y500 Gaming Notebook Review: The Best Mobile Gaming Value Around? @ PC Perspective
Cooling
Cooler Master NotePal U2 Plus Cooling Pad @ Neoseeker
Miscellany
Leawo Total Media Converter Ultimate @ Benchmark Reviews
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Hardware Roundup: Tuesday Edition
We have a little bit of everything a new computer needs up for review today, even how to build a thin mini-ITX PC for those desiring a small and silent rig. We have a look at the PowerColor Radeon HD 7790 TurboDuo video card, complete with a factory overclock and a dual fan cooler. Moving to a bigger component, we have the MSI Z77A-GD65 Gaming motherboard that could be the perfect fit for that HD 7790. There's also a look at a 16GB set of RipjawsX RAM from G.Skill, which pairs two 8GB sticks together. We have a review on the SilverStone DS322 Dual Bay USB 3.0 enclosure for those needing a lot of external storage. If you need a new keyboard, then have a look at the Truly Ergonomic mechanical keyboard, which uses Cherry MX Browns in a unique shape.
Video Cards
PowerColor Radeon HD 7790 TurboDuo @ [H]ardOCP
Motherboards
MSI Z77A-GD65 Gaming @ PC Perspective
Memory
G.Skill RipjawsX F3-2133C9D-16GXH @ Bjorn3D
Storage/Hard Drives
SilverStone DS322 Dual Bay USB 3.0 Enclosure @ ThinkComputers
Keyboards/Mice
Truly Ergonomic Mechanical Keyboard Model 207 @ LanOC Reviews
Miscellany
Building a Thin Mini-ITX PC: Small and Silent Performance @ TechSpot
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