Inventor of Photosynthesis-Based Solar Cells Wins Millennium Tech Prize

A Switzerland-based chemist who invented solar cells that mimic photosynthesis is the winner of a million-dollar technology prize announced Wednesday. Michael Gratzel invented low-cost solar cells that can be turned into electricity-generating windows, mobile solar panels and other devices. » 6/10/10 4:20pm 6/10/10 4:20pm