Solar-powered laptop charger on display at CES
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A new company NRG Dock shows off a general-purpose solar panel and battery to power electronics.
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Madness over Macworld gathers momentum So, CES packs up for another year and everyone takes a break from the full-on, week-long frenzy. However, another big event is about to steal the spotlight as Apple is expected to announce an ultra-slim laptop at its annual show on Tuesday.â¦
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A device that turns heat to sound and sound to electricity could power spacecraft.
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Photo from the CEATEC technology showcase in Tokyo.
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WEARABLE solar panels that help charge mobile phones or music players are likely to come on sale within three years, the New Scientist says.
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Plus: Hot gadget preview at CES 2005 Awards. [News.com Extra]
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A solar cell made with spinach has been developed that promises electronic devices incorporating photosynthesis, the highly efficient process plants use to produce energy from sunlight.
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We don't need no stinking grid--at least not all the time. These devices use the elements to charge your laptop, cell phone, and music player.
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A second-generation "mylo" communicator device will be on display at CES this week.
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Scientists have demonstrated a way of transmitting electrical power through the air, raising the prospect of wireless gadgets such as mobile phones, MP3 players and laptops that do not need power leads to recharge their batteries.
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Televisions big enough to cover  living-room walls and postage stamp-sized hard drives for  playing movies on mobile phones were among the gadgets unveiled  as the year's big U.S. electronics show kicked off on  Wednesday.
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I'm writing this from CES 2007 &#151; the latest and greatest Consumer Electronics Show, where 140,000 attendees crowd 2,700 exhibits packed into 1,660,000 square feet of space in more halls and hotels than I'll bother to count. There's a lot of noise here, and a certain amount of signal; though the ratio of the former to the latter is no less lopsided than it always is. Everybody's not only showing their good sides, but paying millions to crow about it through mass quantities of advertising and PR. \
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Heavy users of mobile phones, iPods and other portable devices may want to try on a new coat lined with solar modules and a battery to charge their gadgets on the fly.
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Dell SP2008WFP: 20-inch wide-screen LCD monitor with Webcam
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Pixel Qi is looking to create a $75 laptop and trying to advance low-cost computers and power-efficient laptops, mobile phones and other consumer electronics that are sunlight readable.
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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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The technology could boost LED power, increase solar-panel efficiency and reduce light spillage inside cameras.