Category Archives: Technology

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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4 solar powered gadgets you can charge your mobile with today

Gadgets for collecting the sun’s rays have been around since the 1830s when British astronomer John Herschel famously used a solar thermal collector box to cook food during an expedition to South Africa. These days, there is a whole host…

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A brief pictorial history of solar powered technology

As far back as the 5th century BC, the Greeks were building their homes in grid patterns to utilize solar power. It was such an accepted technology that the playwright Aeschylus wrote that only primitives “lacked knowledge of houses turned…

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A sunny forecast: 5 reasons why the future will be solar powered

Despite its huge potential, solar power currently only accounts for a meager 0.02% of the world’s energy needs. This figure sounds disappointing, especially when you learn that solar panels were first invented already way back in 1883. Nonetheless, we’re confident…

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Meet the man who invented Nokia’s solar mobile prototype

Solar power has fascinated some of the world’s greatest inventors for centuries. In the 1515, Leonardo De Vinci developed the first industrial use for solar energy utilising concave mirrors to heat water. Four hundred years later, Albert Einstein won his…

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A closer look at the technology powering Nokia’s solar mobile phone

Charles Fritt, an American inventor, is credited with creating the first working solar panel way back in 1883. He coated the semiconductor material selenium with an extremely thin layer of gold, creating a panel with just 1% efficiency. Things have come…

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Why Kenya is the perfect place for a solar powered mobile phone

Our Kenyan tester, Amos Omondi, has now been making the most of Lokki, our solar powered mobile phone prototype, for the last couple of weeks. We’re especially keen to see how Lokki fares in this East African nation because the…

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Why’s it so challenging to make a solar powered mobile phone?

The sun has been used to power gadgets ever since 1834 when British astronomer Sir John Herschel invented a solar thermal collector box to cook food during an expedition to South Africa. Why then, after nearly two centuries, are we…

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The evolution of the Nokia solar mobile

The Nokia Solar Charging Project wouldn’t be possible without the Lokki, the unique prototype developed to give us a greater insight into mobile charging. While the device may look simple enough, its evolution has been anything but. To find out more about the people, the processes and the passion that turned a concept into reality, we spoke to Matti Naskali, Technology Manager and solar power guru.

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