A new study describes a new technology that provides both radiative cooling and solar heating, all is one system and without using electricity or fuel. It could help impoverished communities, reduce ...

A group of scientists from the Imam Abdulrahman Bin Faisal University, in Saudi Arabia, has assessed the performance of several cooling techniques in solar PV systems subject to the country's harsh ...

Passive cooling is a key element of a larger strategy known as natural conditioning — heating, cooling, ventilating and lighting a building naturally, that is, without mechanical or electronic devices ...

Since ancient times, people have found ways to use the sun’s heat to stay warm or keep cool. They built homes from clay and other materials that hold heat well, and they placed them in ways that ...