The new artificial leaf combines flexible solar-powered electrodes with a protective gel coating. It also incorporates an ...

Like sun dogs, light will refract off of these ice crystals and create this optical illusion of beams of light. Light pillars are tall beams of light that extend from a light source, like street ...

A source of light makes light. The Sun and other stars, fires, torches and lamps all make their own light and so are examples of sources of light. Some animals, such as fireflies and glow-worms ...

The light from the Sun looks white but it is actually a combination ... Some animals, such as fireflies and glow-worms, are also light sources. They make their own light to attract mates to ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...