University of Cambridge scientist has revealed his green source of energy . Professor David MacKay said he had been working on a way to make solar cells that could be used in the home for years He said panels of plant material could power appliances in our homes . And the tech could help farmers grow crops where electricity is scarce .
University of Cambridge scientist has revealed his green source of energy . By using just moss he is able to generate enough power to run a clock . He said panels of plant material could power appliances in our homes . And the tech could help farmers grow crops where electricity is scarce .