Natures wonders: Photosynthesis (Introduction)
More than 95% efficient in producing energy. Takes only four photons. Humans have created solar panels at 10-15% efficiency:-http://phys.org/news/2012-07-scientists-key-secrets-photosynthesis.html
More than 95% efficient in producing energy. Takes only four photons. Humans have created solar panels at 10-15% efficiency:-http://phys.org/news/2012-07-scientists-key-secrets-photosynthesis.html
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