There are roof shapes and ratios that maximize heat retainment and energy efficiency and, interestingly, ancient Italian architects and builders seemed to know it, too. While serving as a visiting ...

A research team from Penn State has broken a 165-year-old law of thermal radiation with unprecedented strength, setting the stage for more efficient energy harvesting, heat transfer and infrared ...

A research team at Penn State has reported a significant violation of Kirchhoff’s law of thermal radiation, a principle that has been a foundation of thermal physics for 165 years. Their findings ...

Perovskite solar cells have surged from laboratory curiosities to serious contenders against silicon in barely a decade, yet the physics behind their remarkable energy harvesting has remained partly ...

Electrons can be "kicked across" solar materials at almost the fastest speed nature allows, scientists have discovered, ...

As the installed capacity of renewable energy such as wind and solar power continues to increase, energy storage technology ...

A new heat-to-energy converter has reached a record efficiency of 44% – the average steam turbine manages about 35%, for comparison. This thermophotovoltaic cell is a major step on the way to ...

Two-thirds of the world’s energy is wasted. Energy efficiency opens up immense opportunities for growth, energy security, and the environment. Energy efficiency is a key element of the World Bank ...

CARBONDALE — If investigations led by a team of Southern Illinois University Carbondale physics researchers succeed, refrigerators and air conditioners might not demand so much energy. Saikat ...

Low-power optical device achieves around 100 times amplification using just a couple of hundred milliwatts of input power ...