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QoS Scheduling for Energy-Efficient Wireless Communication
White Paper Energy efficiency is an important issue for mobile computers since they must rely on their batteries. The paper has designed and implemented an energy-efficient architecture and MAC protocol for wireless multimedia traffic. [04 Aug 2008]
Buy one $100 laptop, give one 'free'
News Laptop batteries can be recharged using a rip cord, a crank, a pedal, a car battery, or solar panels - in fact, anything that can produce between 10 and 20 volts of electricity, according to OLPC's chief technology officer Mary Lou Jensen. [25 Sep 2007]
The greening of IT: Cooling costs
Comment Usually, it comes in as AC, gets converted to DC to charge batteries, and then UPS regenerates AC, and the power supply changes it back to DC. Last year, the BroadGroup's Power & Cooling Survey found that the average UK data centre spent more than... [21 Sep 2007]
On Energy Provisioning and Relay Node Placement for Wireless Sensor Networks
White Paper Wireless sensor networks that operate on batteries have limited network lifetime. However, due to energy constraint, even under the most efficient protocols and algorithms, the network lifetime may still be unable to meet the mission's requirements. [23 Aug 2007]
The greening of IT: Why less is more
Comment Green technology must also mean a responsibility towards the extraction and dumping of hazardous chemicals, destroying natural habitats to make way for acre after acre of bio-fuel crops and preventing civil wars in under-developed economies where... [13 Aug 2007]
$100 laptop gets set for mass production
News Laptop batteries can be recharged using a rip cord, a crank, a pedal, a car battery, or solar panels - in fact, anything that can produce between 10 and 20 volts of electricity, Jensen said. The laptops have been designed to withstand extremes of... [24 Jul 2007]
AMD touts lean, mean 'Centrino-busting' chip
News Puma, meanwhile, will continue the power management theme by coming with a feature, called PowerXpress that shuts off the discreet graphics processor in laptops when they are running on batteries. The chipmaker is prepping an energy-efficient... [18 May 2007]
Start-ups cash in on 'exploding' battery recalls
News Stung by product safety outcries, notebook manufacturers are showing signs of willingness to experiment with new types of batteries and suppliers. Lithium ion batteries have been the de facto standard for powering notebooks and consumer electronics... [20 Dec 2006]
Peter Cochrane's Blog: My Christmas wish list
Comment We have a bit of an energy problem right now and could do with some decent batteries. So you could help us make it all cheaper, more energy efficient and if you could help spread it around more liberally, who knows. [20 Dec 2006]
AMD unveils Centrino challenge
News Currently, AMD mostly sells notebook chips for "performance" notebooks, which provide desktop-like computing power but can sap batteries and generate heat. Turion is the brand name of a new line of energy-efficient notebook processors AMD will come... [07 Jan 2005]
Toshiba nearer to using methanol fuel cells to power laptops
News Toshiba next week plans to exhibit a fuel cell prototype that it says has the potential to replace environmentally taxing, rechargeable batteries with clean-energy technology. The consumer electronics industry is rushing to find ways to replace the... [06 Mar 2003]
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