Sunlight on Earth changes over decades, affecting climate, agriculture, and energy production, including solar power.

that represents the proportion of light absorbed that is converted to biomass. Interestingly, this is a small proportion of the total energy that reaches Earth from the sun — a lot of sunlight ...

The sun rises each day, but the amount of sunlight reaching Earth’s surface is not as constant as we might think. A new study ...

Photovoltaic cells, first developed at Bell Labs in 1954, contain semiconducting materials that absorb light energy from the sun and produce a flow of electrical energy in response. These are the ...

we mean the energy that we can detect with our eyes. When light enters our eyes, our brain interprets this into images we can ‘see’. The light from the Sun looks white but it is actually a ...

This is the first instalment of a new gardening series that examines the secrets of success in plant parenting. Read more at ...

Once the sun is overhead, the quality of life shifts ... if it’s a bright day with no cloud cover you’ll have a lot of “photon light energy arriving on your retina, so it probably only ...

Rooftop solar panels use a material, called silicon, to help transform some of the sun's light into electrical energy. This electrical energy then flows into the house, where it's used to power ...