Liquid solar cells can be painted onto surfaces http://bit.ly/Taga6e
@bhalomanush @Meetasengupta It has been known even before the SA article--Obama mentioned it in 2009.
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@Calestous indeed; only efficiency improving. In theory, the idea has been around since at least 60s- http://www.ncbi.nlm.nih.gov/pubmed/20072317@MeetasenguptaThanks. Twitter will use this to make your timeline better. UndoUndo
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