News tagged with waste

Converting olive mash into cash

An experimental system to create heat and power with waste from olive oil processing is up-and-running in Spain. Carina Lagergren, a researcher from Sweden's KTH Royal Institute of Technology, says the system ...

Jan 26, 2015
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Getting more electricity out of solar cells

(Phys.org) —When sunlight shines on today's solar cells, much of the incoming energy is given off as waste heat rather than electrical current. In a few materials, however, extra energy produces extra electrons—behavior ...

May 07, 2014
4.9 / 5 (23) 1