Efficient and cheap solar cells for future clean energy

The energy that the Earth receives from the Sun in just one hour would be enough to provide power to the entire planet for a full year. All this amount of energy, clean and renewable, is not used not only because of the dependence on oil that our civilization has

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Research makes lithium batteries live longer

Lithium batteries? No one seems to realize the strain that the batteries which power our electronic devices have to withstand, especially while our MP3 players, mobile phones and gizmos become more and more powerful and demanding in terms of power needed to operate them. Therefore, the life of normal rechargeable

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