Radical material for solar cells
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29/11/2008
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Down To Earth
Captures all the sunlight, more efficient at making electricity
the oldest piece of space junk still orbiting the Earth is the satellite Vanguard I. In 1958, it became the fourth artificial satellite launched
the oldest piece of space junk still orbiting the Earth is the satellite Vanguard I. In 1958, it became the fourth artificial satellite launched