Tag Archives: Midnight Sun

Conclusions: Where, how and when a solar powered mobile phone works best

According to the Guinness Book of World Records, the city of Yuma in Arizona is the sunniest place on earth. Of the possible 4,456 hours of daylight each year, the sun shines in Yuma for roughly 4,174 hours, or about…

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Conclusions: A solar mobile phone’s performance is affected by lifestyle

After four months, our solar charging project has come to an end. In that time we’ve collected huge amounts of invaluable data from places as far apart as the Arctic and Kenya. We already knew that for solar charging to…

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How well does a solar mobile work at the end of a Lapland summer?

Summer time in Lapland is like nowhere else in the world. For a start, there are the 73 polar days, when the sun never sets.  Then there’s the average temperature that even in July is just 14°C. Add to that…

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Trekking in the Arctic wilderness with a solar powered phone

With a population of just 184 000 people, or just two people per square kilometer, Finnish Lapland is one of the least densely populated places in the world. If, then, your job involves spending days in the wilderness, you want…

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Life with a solar mobile phone in the Arctic Circle: Update 2

Our solar charging tester, Ilkka Syvänperä, has now been using our prototype, Lokki, for over a month up in the Arctic Circle. Will a solar powered phone work better in a place where the sun doesn’t set? Find out in…

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