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Sun-absorbing

Sun-absorbing describes a substance, material, or surface that readily takes in and converts the energy of sunlight into another form, often heat. The efficiency of a substance in absorbing sunlight is determined by its properties, including color, texture, and chemical composition. Darker colors generally absorb more sunlight than lighter colors due to their ability to capture a broader spectrum of solar radiation. This characteristic is crucial in various applications, from solar energy technologies to the design of buildings and clothing. The absorption process is often measured in terms of absorbance, representing the amount of light absorbed as a fraction of the incident light.

Sun-absorbing meaning with examples

  • The black asphalt of the road is highly sun-absorbing, intensifying heat in the summer and contributing to the urban heat island effect. This causes increased air conditioning use in surrounding buildings.
  • Solar panels are designed with sun-absorbing materials to capture sunlight's energy and convert it into electricity, making them a renewable energy source. They power millions of homes.
  • Dark-colored clothing acts as a sun-absorbing layer, increasing body temperature, which can be detrimental on hot days. However, this could keep someone warm in a cold place.
  • The sun-absorbing properties of the roof tiles contribute significantly to the overall energy efficiency of the building. They heat the building when it's cold.
  • Certain dyes used in textiles create sun-absorbing fabrics, providing protection from UV rays and extending the life of the textiles, while adding vibrant colors to the world.

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