Through physics and our engineering and computational skills, we are converting sunlight to useful energy far more cheaply than anything we can burn. By embracing physics, we are also solving issues regarding these energy sources, such as intermittency, while availing ourselves of their massive advantages – most prominently, their abundance. The Sun provides 10,000 times more energy than is needed by all of humanity, and unlike fossil fuels, solar energy gets cheaper as more is produced. For every doubling in solar energy production, costs fall more than 20 per cent.
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