A flexible solar cell that could provide cheap energy for everyone has been awarded a prize worth nearly a million dollars.
The Millennium Technology Prize, which recognises “technological innovation that is significantly improving the quality of human life”, was awarded to inventor Michael Grätzel in Switzerland last week.
Grätzel said his solar cells have many benefits and could, for example, soon be helping people in developing countries to connect to the Internet.
“I was in Tanzania last year and everyone has a mobile phone; but there’s no grid to charge them,” he said.
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