Swiss scientist Michael Graetzel wins €800,000 technology prize for cheap solar cells

HELSINKI (AP) — Michael Graetzel of Switzerland has won the international Millennium Technology Prize for inventing low-cost solar cells used in renewable energy.

The Technology Academy of Finland on Wednesday awarded the German-born chemist the €800,000 ($960,000) prize for his innovation, which it says "provides a more affordable way of harnessing solar energy" and led to the development of electricity-generating windows and mobile solar panels.