👉 Lightlessness is a state of complete darkness or lack of sight, typically experienced by people in the absence of artificial lighting. It can be caused by several factors such as exposure to extreme temperatures, prolonged periods without sunlight, or even medical conditions like retinopathy or glaucoma. Lightlessness can affect various areas of the body, including the eyes and brain, and it is often accompanied by other symptoms like headache, nausea, and fatigue.
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What is the definition of Lightless? 🙋
👉 In physics and astronomy, a "lightless system" is a system in which there is no visible light (or any form of visible light) emitted or reflected by an object. This concept refers to a situation where the only visible light that exists is the one that can be detected through the human eye. Lightless systems are often used in scientific experiments and research, as they allow for detailed observations of phenomena that would not be possible with traditional light sources. Lightless systems are also important in the
