Stearic acid is a fatty acid derived from nature. It acts as the phase-change material. When the sun hits the black ...

Researchers designed a novel heat pump that uses sound waves to move thermal energy, producing additional heat. The team from China produced an unprecedented amount of heat with their system, and ...

For decades, the concept of “primary energy” has dominated discussions about global energy systems, shaping how we measure and compare different energy sources. However, this metric often fails to ...