The computer in the camp office is solar powered, as the camp doesn't have electricity.
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But advances mean the sensors are now tiny, solar powered and capable of operating for decades.
As an example, please see my last column Patent Approval Paves Way For Apple To Fire Up Solar Powered iPhone.
In the long term, the development could bring about solar powered cars.
And in the evening: A local eco-community provides the entertainment with a Bollywood movie in a solar powered cinema accompanied by popcorn made in a solar cooker.
On the other hand, the iSlate, a completely solar-powered solar-powered computer tablet targeting at rural communities without access to electricity, may move into markets in the not-so-distant future.
We also saw a beautiful solar powered flower sprout in Southern California and looked at the worlds first solar-powered soccer ball, which could help the blind play soccer.
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Technologies on display ranged from solar powered water purification units to military vehicles using next generation materials and energy sources to light weight batteries that can give better range and endurance.
The latest edition to the company's line of solar powered speakers, Rukus XL features eight full-range speaker drivers that produce stereo-quality sound and one-touch device pairing, providing the ultimate music-listening experience.
ENGADGET: Eton adds two more solar-powered Bluetooth sound systems to its Rukus lineup (hands-on)
Zenros, a start up in Denmark has created a new solar powered energy management system for hotels they believe will save hotels at least 35% in HLP costs over current sensor based technology.
Seeing an opportunity to provide this highly valuable utility for emergency and regular power, Mr. Workman and a smart team of engineers launched a new company, GoalZero , to develop portable solar powered electrical units.
FORBES: GoalZero -- How To Create An Industry (And A Profit) By Doing Good
Sure, we've been frustrated by solar-powered iPhone chargers and amused by the irony of solar-powered lamps in the past, but that doesn't mean we're not looking forward to the day when we can meet our gadgets power needs without relying on fossil fuels.
ENGADGET: ReNu solar panels announced for iPhone charger, sound dock, LED desk lamp
Switzerland is home to several renewable energy projects, including the most advanced solar-powered aircraft, the Solar Impulse, which made its first international flight less than two weeks ago.
FORBES: In Switzerland's Decision to Phase Out Nuclear Power, a Glimpse of the Future?
As the latest in Goal Zero's portable, solar-powered ecosystem of products, the Switch 8 Solar Recharging Kit can bring back a dead smartphone instantly and replenish your battery in less than three hours.
ENGADGET: Goal Zero's Switch 8 solar charger bundle now available for $100
Speaking of design contests, we also kicked off the European Solar Decathlon this week with a look at six incredible solar-powered homes that are competing at the European Solar Decathlon right now to win top prize.
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There are solar-powered shelters, and the Girl Scouts helped set up 21 bluebird boxes.
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But a commercially viable solar-powered car, experts say, is still very far down the road.
Their solar-powered light had become a serious endeavor that needed to go beyond the classroom.
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BERLIN, Germany (CNN) -- Solar-powered rubbish bins in the heart of Berlin have the city's residents talking.
Led by Prof Michael Hoffman, the toilet they designed was solar-powered and generated hydrogen gas and electricity.
BBC: Bill Gates looks to new toilets to improve world sanitation
Light Energy that produces and sells solar-powered LED lanterns to replace kerosene lights in the emerging market villages.
Over a year, the solar-powered microgrid will reduce the running time of the diesel generators from 100% to 40%.
FORBES: Solar-Powered Microgrid Slashes Alcatraz Island's Dependence On Fossil Fuels
Ten solar-powered bins are to be installed on the University of Dundee's campus.
The clinic's solar-powered batteries are able to run only one at a time, along with some dim fluorescent bulbs.
In renewable energy news, Apple filed a patent for a solar-powered iPhone, which could be a game-changer for mobile devices.
The water is further heated by five solar-powered electrical pumps, to create radiant heat coming up through the wooden floorboards.
It's worse than I thought: These are people independent from foreign oil, carrying solar-powered chain saws, full of American ingenuity.
Fast-forward to the recent past and every green blog worth its solar-powered servers was celebrating the bike-sharing program in Paris.
FORBES: Bike-Sharing Grows Up: New Revenue Models Turn a Nice Idea into Good Business
The new Thrupp Lake Wetland Centre, which will be solar-powered, will include a learning area and have a reedbed filtration system.
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