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Green Tech
Eco Gadgets
EMFs
Green Energy
Energy efficiency
Energy storage
Geothermal energy
Magnetic energy
Solar energy
Wave energy
Wind energy
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Light-emitting diode
Tag: light-emitting diode
The Practical Full-Spectrum Solar Cell Comes Closer
Gabriel
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January 26, 2011
0
High efficiency lighting in test on Rensselaer Polytechnic Institute
Gabriel
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November 1, 2010
1
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