How solar power got so cheap | ABC NEWS

The rise of solar power shows no sign of slowing down, with the International Energy Agency predicting it will overtake coal as the world’s biggest source of electricity next year. Behind its success is a little-known Australian inventor. Subscribe: https://ab.co/3yqPOZ5

0:00 Solar panels are everywhere now
1:05 Inventor of the modern solar panel
1:37 History of solar technology
4:05 PERC solar cells
4:58 Chinese manufacturing
7:21 Martin Green's contributions

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