Despite what your TV listing says, it isn't always sunny in Philadelphia -- or anywhere else. That means your solar panels won't always be soaking up the sun's rays. Solar panels are rapidly growing ...

As if the winter darkness doesn't present its own health challenges in a non-pandemic year, a recent study suggests that the sun's lack of intensity in the coldest months of this year might also be ...

Understanding the amount of sunlight your garden receives is crucial for successful plant growth and landscape design. Whether you are planning a vegetable garden, adding a new flower bed, or simply ...

Ultraviolet (UV) light has higher energy photons than visible light and, thus, has more applications. Researchers have now developed a brilliant innovation -- a solid-state material that can stably ...

Researchers from Kyushu University have developed a new numerical model to explain the behavior of sunlight under various weather conditions. Unlike previous methods that focused on how plants ...

“Peak sun hours” represent the time each day when a solar energy system can generate electricity at maximum efficiency. Because a solar panel’s electricity production depends on the availability and ...

Ever find yourself puzzled by the “full sun” label on plant tags? It sounds easy, but the reality is a lot more complicated these days. Sunlight isn’t the same everywhere, and your garden’s needs ...

Calculating how many kilowatt-hours (kWh) a solar panel can produce might seem intimidating, especially if you don’t have any prior electrical knowledge or experience. Using a few basic pieces of ...

The importance of solar power as a renewable energy resource is increasing. Sunlight contains high-energy UV light with a wavelength shorter than 400 nm, which can be broadly used, for example, for ...