Researchers analyze a heat engine based on a hot cavity connected via quantum wells to electronic reservoirs. They find that the device delivers a large power of about 0.18 W cm^−2 (1800 watts per ...

You probably remember your grade school science teachers explaining that energy can neither be created nor destroyed. That’s a fundamental property of the universe. Energy can be transformed, however.

To determine the U.S. cities that get the least sun, 24/7 Wall St. reviewed the metropolitan statistical areas with the fewest hours of peak sun per day. A peak sun-hour is a period during which the ...

Solar energy is a hot topic, especially among politicians looking to get re-elected! As an engineer, you’re well aware of the advancements in photovoltaic cells. However, a solar cell is fundamentally ...