Notes
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Exponential technologies are the ones that improve their price-performance basis by more than 10% per year for many decades.
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It means that the price of exponential technologies will decay in some years, and the population can have them at home.
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The most familiar exponential technologies follow Moore's law.
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Other examples of exponential technologies are batteries for renewables, or solar power generation, which have an 18% to 20% annual improvement.
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Diesel engines or electricity aren't exponential technologies because, at the turn of the 20th century, they had an improvement of 1% to 3% per annum.