What students need to know when buying a laptop

Buying a laptop (or a notebook, as some call it) isn’t easy.


Doing so requires determining what your needs actually are because, without that, laptop specs can be a confusing array of numbers that don’t truly paint a proper picture.


Is speed more important to you than hard drive space? Are graphics more integral than the built-in speakers? Is a smaller screen more important than having a CD/DVD/Blu-ray optical drive?


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These questions matter because finding the happy medium isn’t easy, and you almost have to project what it is you will need later on. You want to be able to hammer out papers and essays, but also have the flexibility to edit photos and watch limitless amounts of video.


Unlike desktop computers, laptops have little room for upgrades and tweaks, but that doesn’t mean there isn’t room for improvement. It may surprise you to know that you actually have more leeway in telling the manufacturer what kind of a laptop you actually want. This goes for Macs, too, as Apple offers build-to-order options for its laptops as well. These types of orders are typically done online, where you can choose to upgrade specific components.


This is rarely an option with brick-and-mortar retailers who agree to sell particular specs for the computers they carry. But there is a difference when ordering a laptop through the manufacturers’ websites. So, for example, if you were very happy with all the specs of one particular laptop, but preferred to have more RAM and hard drive space, that can be done, albeit for a bit more money.


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Rather than focus on specific laptops on sale now, we’ve instead focused on what the specs actually mean.


Processors — The lifeblood of a laptop, the processor determines how fast applications and tasks run. If you’re looking to run several apps at once, an Intel Core processor is a much better option than the Atom ones used in netbooks, for example.


RAM — RAM is installed memory, so the more you have, the more apps and tasks you can run simultaneously. Having just 2GB of RAM may be fine for minimal needs, but you’re better off starting with 4GB if you need to multitask more. The good news is that RAM is one of the easiest specs to upgrade.




Hard drive — This is an easy one, because it all depends on how much data and content you feel you need to store on your laptop. If it’s going to be your entertainment hub, then you might want to get more to be on the safe side.


Screen size and weight — The bigger the screen size, the greater the weight of the laptop. For example, it’s hard to find a 15-inch laptop that weighs less than five pounds. It also depends on if you want a glossy or matte screen.


Laptop Battery life — Never trust the number you see on a spec list. Battery life is so relative that the number quoted is not based on actual usage patterns. So, if you see “seven hours”, the more likely number is five.

New Wi-Fi technology claims to double battery life in smartphones

A student from Duke University claims to have come up with a way to double a smartphone's battery life by intelligently using Wi-Fi networks more efficiently.

According to Justin Manweiler, the battery life of a smartphone can be dramatically increased by using a more efficient method of connecting to Wi-Fi networks. When there are more devices connected to a Wi-Fi network, each device has to use more energy and battery power to transmit data and access the internet. The system devised by Manweiler will detect when there are other Wi-Fi devices in the area and will put the connection to sleep on dormant devices, while the active smartphone uses the Wi-Fi network. This is said to save battery life on both the smartphone that is sleeping, and the one that is using the Wi-Fi network.

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Manweiler claims that this "napping" system, which he calls SleepWell, has negligible effects on performance, since each device has a more efficient connection when it is being used. "The SleepWell-enabled WiFi access points can stagger their activity cycles to minimally overlap with others, ultimately resulting in promising energy gains with negligible loss of performance," said the university student.

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Since battery technology has lagged behind the other advances made in wireless communications and devices in recent years, we are happy to see any sort of advancement on this front that would allow us to get more battery life out of our constantly-used smartphones and devices. Maybe one day we won't have to carry around a bag full of batteries to make it through the day, but that just might be too hopeful.

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New HP EliteBook Mobile Workstations

HP today announced a new lineup of powerful mobile workstations, ideal for engineering, power-computing and graphic design. We spent some hands-on time with pre-production samples of these notebooks and can finally share what we've learned.

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Unlike previous generations of HP mobile workstations which were essentially standard EliteBooks with different internal components, the new notebooks feature HP's first-ever industrial design specific to mobile workstations. The new EliteBook 8460w, 8560w and 8760w have a traditional box-like shape with aluminum-alloy and titanium-alloy components, a new radial-brushed gunmetal finish and orange-colored accents. Inside the new mobile workstations feature second-generation Intel Core i7 and i5 dual-core and quad-core processors with vPro compatibility and support up to 32GB of RAM.

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HP’s most powerful mobile workstation, the HP EliteBook 8760w offers a 17.3-inch diagonal, high-definition screen, and a choice of high-performing AMD FirePro or NVIDIA Quadro professional graphics with up to 4GB of video memory. The EliteBook 8760w also can be configured with one of three hard drives and RAID 5 support – a first for HP mobile workstations. Pricing for the EliteBook 8760w starts at $1,899 and is expected to be available in the U.S. starting in May.

The HP EliteBook 8760w and 8560w offer an 8-cell primary battery, while the HP EliteBook 8460w offers 6- and 9-cell options for extended battery run time. All models include an Long Life HP Notebook Battery option. The mobile workstations also are compatible with the new HP Extended Life Notebook Battery and HP Ultra-Capacity Notebook Battery, which offer external battery supplies for additional run time.

Nintendo 3DS breaks one-day sale number

A man tries out a Nintendo 3DS in Paris.
Newscom

The Nintendo 3DS, the 3D successor to the hyper-popular Nintendo DS console, is selling like gangbusters, company reps said today in a statement. According to Nintendo, "US day-one sales numbers for Nintendo 3DS were the highest of any Nintendo hand-held system in our history." The company promised more detailed numbers in coming days.


The Nintendo 3DS has won mixed marks from reviewers, who have fretted about the underwhelming battery life, but praised the glasses-free 3D effects.

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"Eighteen months from now, Nintendo will release the inevitable 3DS Lite and take us for another $250," one reviewer wrote. "Until that day arrives, I’m pretty comfortable saying that the Nintendo 3DS is the best gaming platform the company has ever created: The user experience is quite polished in a variety of ways, and its forward-thinking core feature really does make gaming better."

But the Nintendo 3DS launch has been far from smooth. As Adam Rosenberg over at DigitalTrends notes today, not long after the 3DS was released, users began reporting a total system shutdown affectionately known as the "black screen of death." Nintendo says affected users should download the latest system update; barring that, they should phone up the Nintendo customer service hotline.

Picked up a Nintendo 3DS? Drop us a line in the comments section. And for more tech news, sign up for the free Innovation newsletter, which is emailed out every Wednesday morning.



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HTC DESIRE S REVIEWED BY CHRIS DAVIES

Our man in England, mister Chris Davies, has let loose his review of the HTC Desire S over on SlashGear. What he’s found is that this 3.7-inch display having, Android 2.3.3 wielding, 5-megapixel camera toting handset isn’t the best of the bunch, but it’s certainly not the worst device he’s ever held. This phone is the sequel to the original HTC Desire, which was undeniably HTC’s answer for the Nexus One – will it hold up to the pressure of the barrage of phones that have been released in only these past few months?

Hardware

This is a phone that’s a mere 115 x 59.8 x 11.63 mm, and only 130g. The display again is a 3.7-inch Super LCD with WVGA resolution, this making it the same number of pixels as the original Desire, but with Super LCD instead of AMOLED. The original Desire had an optical trackpad where this one has none, moving toward a touchscreen-only model that many manufacturer are trending at nowadays, perhaps due to the oncoming Honeycomb / Ice Cream world of Android where no physical buttons are necessary. 

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Volume and USB are along the left, top has a power/lock button and headphone jack. On the back is one of two cameras (the other on the front) as well as a speaker near the top and a removable panel near the bottom with access to your SIM, microSD, and htc battery. This reminds us of the HTC Inspire 4G which has each of these accessible in two panels instead of just one.

The whole body of the handset is what Chris notes as “a very successful design,” speaking on the matte finnish, discreet chrome bits here and there, and the “HTC chin” which makes it easy to take from and replace this handset in your pocket. Also specifically Chris notes that it feels solid and, with a less-plastic design than the original Desire, it’s “hard not to imagine that this could have been the design for the second Nexus, had Google stuck with HTC as a hardware partner.” A pretty nice compliment!

Inside you’ll find a Qualcomm’s single-core 1GHz MSM8255 processor, 768MB of RAM, and 1.1GB of internal storage. Connectivity includes dualband HSPA/WCDMA, quadband GSM/EDGE, WiFi b/g/n, and of course Bluetooth 2.1. There’s also GPS, a g-sensor, digital compass, proximity sensor and ambient light sensor.

source: http://androidcommunity.com/htc-desire-s-reviewed-by-chris-davies-20110328/

NanoPerspective Introduces Vendum Batteries to UK Market

El Segundo, California-based Vendum Batteries, a company that develops battery technology, has declared its intention to advertise in the resource guide in nanotechnology and nanomaterials, NanoPerspective.

The UK-centric guide provides key listings for companies within the world of nanotechnology supply network, featuring divisions including research, product creation, production and supply.

The NanoPerspective was unveiled early this year and is published by NanoCentral, a supporter of nantechnology in the UK. It is available online as well as in print format. It is distributed to more than 4000 organizations and key players in the nanotechnology sector. It is also displayed at the annual conference of NanoCentral.

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Vendum Batteries Inc. (OTCBB: VNDB.OB) is developing an innovative new cellulose-based power source that in the next few years could help revolutionize the powering of the automotive and aeronautical industries.

This revolutionary battery is entirely biodegradable, as it is primarily composed of cellulose and uses none of the toxic elements used in traditional batteries, such as mercury, lead, chromium, or cadmium.

Using the cutting edge Carbon Nanotube Technology, this non toxic power source, will in the future be capable of providing higher power output, for longer periods of time, and because the batteries can be so small and light weight, it will be possible to revolutionize human implant technology such as pacemakers or cochlear implants.

When further developed, Vendum Batteries aims to power mobile phones, PDA's, iPods, music players, games consoles, laptops, etc and in the home appliances like power tools, all kinds of toys, watches, cameras and electric razors could all one day be powered by the Vendum batteries.

TrackNet’s Asset Locating Devices with Extended Battery Life Extend Usage Time

TrackNet is known for its excellent GPS fleet tracking services and technology, but it has taken its services a step further by offering asset locating devices that companies can use to track more than just their trucks and drivers. The extended battery life on TrackNet’s two asset locating units allows businesses to use them continually and globally for years on end without replacing the battery.

With TrackNet’s asset locating devices, companies can place a small transponder on the asset to track it should it be stolen. These can be used on all types of high-dollar moveable assets, including bulldozers, generators, trailers, forklifts, and other high dollar moveable pieces of equipment. The footprint of coverage is worldwide.

The units offered by TrackNet are specially designed with long battery lives. This allows the user to stick the unit on the asset and walk away, When asked about them, a company spokesperson said, “Our customers can choose between two units. The SMARTONE unit has a battery life of at least one year using AA lithium batteries. The AX Tracker MMT has a battery life of up to 4 years using a field replaceable battery pack. Both provide long-term service without the need to replace or charge batteries repeatedly. They are designed this way so that our customers can simply place them where they need to go and continue with their daily business without a second thought.”

These units use technology like GPS positioning, Satellite Communications, and Intrinsically Safe standards to clearly separate them from other low end products. This allows for reliable reporting of location when a loss has occurred. Allowing owners to get help from the authorities quickly. For many businesses, this ability translates into thousands of dollars in recovered assets. Once they know the location of the machine or other asset, police can often intercept and recover it before damage has occurred, which means no real loss to the business.

Of course, while the batteries last for years, they will eventually need to be replaced. “Replacing is easy,” confirmed a company spokesperson. “All the user has to do is head out to the unit, remove the battery pack, and then place the new one on. There is no loss of service, and no need to track and care for rechargeable batteries.”