The Carnot cycle is the gold standard for heat engine efficiency, defining the maximum theoretical performance possible between two temperatures. While no real engine can reach this limit due to ...

Whereas fossil fuels and nuclear energy sources can supply electricity on demand, solar and wind energy sources supply power only when the sun shines or wind blows. Ultimately, affordable large-scale ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...