Devices that measure electromagnetic energy precisely at certain wavelengths of light are called spectrophotometers. The spectrophotometer is used to identify colors and determine how much of each color is present in a light.
Tag: Light
How Do Fireflies Glow?
The glow of a firefly is a chemical reaction caused by a compound called luciferin (“light-bringer” in Latin) in the abdomen. Air entering the firefly’s abdomen combines with the luciferin and causes a chemical reaction that emits a light. The uric acid crystals in the cells that make the light carry the light away from the abdomen.
Do Chickens Need Light?
Light is an important factor influencing the development, welfare and egg production of poultry. Generally, in winter, egg production slows down because there is not enough daylight. During this season, chickens can be provided with artificial light to continue egg production.
What Is Photophobia (Light Sensitivity)?
Photophobia refers to increased sensitivity to light. People with this condition think that normal light is too bright. Photophobia may present as eye discomfort, pain, or an avoidance reaction.
Is Infrared Light Harmful?
Infrared light is basically heat radiation. It has the lowest energy per photon and is the safest type of light. However, when it becomes dense enough, it can damage living tissue. As with most things, the right amount is beneficial, too much is harmful.