OLPC battery life-- an update
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Glaskowsky passes along some feedback from the OLPC organization.
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Science & environment: Â· Apple announces UK sale date for Â£269 gadgetÂ· Rural customers face network problems
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Chipzilla backs crappy AMD-based laptop You can usually gauge how thrilled Intel is with a given announcement by examining the length of its associated news release. Today, we find Intel joining the One Laptop Per Child (OLPC) program and managing a grand total of five paragraphs to tout the achievement.â¦
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As&#160;One Laptop Per Child prepares to ship its highly anticipated XO laptops in two weeks, it is developing a &quot;supercharger,&quot; a mass battery recharger that will draw power from cows and yo-yos to help the laptops run longer.The supercharger is a box that will charge 15 batteries at a time, said Mary Lou Jepsen, chief technology officer for OLPC.The supercharger complements other environmentally friendly battery charging technologies being used or under development for the XO laptop, Jepsen said. Users can hook up handcranks, cows, yo-yos, foot pedals and solar panels to the box to recharge batteries.Last week OLPC said it was designing a cow-powered generator through a dynamo with a system of belts and pulleys using cattle to generate power.A typical charge cycle for a laptop battery should be about three hours, Jepsen said. Groups of children will be able to share batteries.Currently in design, the supercharger will be ready for manufacturing next year, Jepsen said.A laptop&#39;s mileage depends on its usage, so OLPC designed an environmentally friendly laptop that could work with a rugged, low-power battery, Jepsen said. The laptop&#39;s specially designed lithium-ferro phosphate battery consumes between 2 watts to 8 watts depending on usage, Jepsen said. It lasts five years and works in environments up to 100 degrees Fahrenheit (37 degrees Celsius), Jepsen said.The XO batteries do not work on normal laptops, which can sap up to 40 watts of power depending on usage, Jepsen said.The XO is also the first laptop that uses only alternative energy, Jepsen said. Low-cost solar panels are great as a power option where there is plenty of sunlight, Jepsen said. Energy is especially scare in developing nations, so the laptop will hopefully pass on energy preservation lessons, which could help preserve battery life in the XO, Jepsen said.The laptop goes into manufacturing this week after three years of design experimentation and attempts to reduce manufacturing cost. It will first be offered in two weeks to consumers in the Give 1 Get 1 program, in which two laptops can be purchased for about US$400, with a user getting one laptop and the other being donated.&quot;We&#39;re exhausted, but exhilarated,&quot; Jepsen said.REFERENCES:OLPC experiments with cow-powered laptops ... seriously, Oct. 24, 2007
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On Saturday evening, it's "Lights out San Francisco," where people will voluntary turn off lights for an hour. The aim is to raise awareness of light pollution and the energy wasted by lights left on.            Presented By     From Dell? Home!      &nbsp;&nbsp;The new Dell? Inspiron? 1520 notebook with hi-def widescreen and long-range wireless for only $799. Add mobile broadband for $150. Limited time offer. Click here. www.dell.com    Ads by Pheedo
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By Bill Husted, The Atlanta Journal-Constitution  Feb. 11--QUESTION: At your recommendation, I purchased a battery backup  for my PC. Also at your suggestion, I was planning to buy one for my HDTV as  well.
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This paper introduces some techniques for making backups without needing to stop the business applications. It also describes ways to simplify and reduce the cost of system operations.
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Letter: Setting the record straight on network location awareness and Vista Group Policy.
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The One Laptop Per Child (OLPC) computer, which uses a version of Linux, might soon be available with Windows. According to a Reuters report, a Microsoft corporate vice president has said that the software giant is working to adapt Windows XP for the low-cost XO laptop.
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Europeans interested in the One Laptop Per Child Project&#39;s XO laptop may soon have the chance through a &quot;give one, get one&quot; offer similar to that offered in North America last year.&quot;At some point we might do it in Europe,&quot; said Walter Bender, OLPC&#39;s president, in an interview Friday.Under the &quot;give one, get one&quot; program offered in Canada and the U.S., customers could buy an XO laptop for US$400 and a second XO laptop would be donated to a developing country. Each XO laptop currently costs around $188.OLPC hasn&#39;t yet made the offer available in Europe because the XO has not received the necessary certifications to be sold there. &quot;We haven&#39;t finished all that stuff, so we couldn&#39;t do it in Europe yet,&quot; Bender said.Whether or not OLPC does make the XO available in Europe remains to be determined, and such an offer remains under consideration. &quot;We may or may not do it,&quot; Bender saidFrom OLPC&#39;s perspective, the &quot;give one, get one&quot; offer helped large numbers of people in North America get involved with the group&#39;s efforts to bring computing to children in developing countries, Bender said.&quot;A lot of people [are] jumping in to the software, to learning and to support. ...That&#39;s what I was hoping Intel would do, but they didn&#39;t. The public is doing it instead,&quot; he said, referring to&#160;Intel&#39;s acrimonious departure&#160;last week from OLPC&#39;s board of directors.OLPC has so far shipped around 50,000 XO laptops to North American customers under the &quot;give one, get one&quot; program, and more remain to be shipped, Bender said. The number of customers who ordered laptops under the program was not immediately available, but as many as 150,000 units may have been donated through the program.&#160;
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The One Laptop Per Child Project (OLPC) is toying with a novel source of power for its low-cost XO laptops: cows.
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Chip-making technique to fuel AMD64, PowerPC, 'Cell' production
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Refreshed Centrino laptop platform aims to increase power, energy efficiency, and speed of optimized applications.
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Newer Technology's new USB 2.0 Universal Drive Adapter now has connection status LEDs.
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New 1.8-inch hard drives may boost battery life in portable devices.
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The computing technologies to go beyond Moore's Law
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Interested in a laptop that can run 30 or 40 hours before running out of juice? Researchers at Stanford University have found a way to use silicon nanowires that allow lithium-ion batteries to do just that.