News tagged with waste materials

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

Green engineering for waste management

"Green engineering" is based on the idea of designing, selling and using processes and products that are technically and economically viable while, at the same time, minimizing pollution, as well as health ...

Apr 01, 2014
not rated yet 0