We have been talking a while ago about refrigerators that needed no electricity or that were powered by the Sun, through evaporation, helping poor countries with a cool place to keep their food. Now, venture capitalist Adam Grosser teamed up with some Stanford scientists to create refrigerator that really doesn’t need to be plugged in anything but the Sun.

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Everyone knows two are more powerful than one. On the same principle, IBM and Harvard University researchers launched a joint project today in an effort to search for the optimum combination of materials to create the most efficient solar cells ever.

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Who would ever believe that a hangar could actually help lessen expenses on electricity? Well, people today would believe that it is very much possible. But for people who lived several decades ago, they would think that it can be quite a feat. Now, the thing is, this is a reality.
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