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Scientist Trap Sunlight to Reach Temps of Nearly 2,000 Degrees Fahrenheit

An illustration of a heat trapping device.
An illustration of a heat trapping device. Illustration: Device/Casati et al.

Engineers are cooking up a new clean energy solution: charging up crystals with solar energy to temperatures of 1,832 degrees Fahrenheit (1,000 degrees Celsius), potentially making them a greener substitute for the carbon-intensive processes that smelt steel and cook cement. – Isaac Schultz Read More