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daniel_i_l
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In the sky the less dense parts of the sky scatter blue light and the denser clouds scatter white light. So why does a CD scatter relativly white light and the denser DVD blue light?
I think I should explain myself better:russ_watters said:Some dvds are "denser" than others? What does that even mean? There are several different processes by which DVDs and cds are made, using different materials that have different colors. "density" has nothing to do with it.
Clouds are not the same composition as clear-blue sky so it isn't correct just to say that a cloud is "denser". The mechanisms to cause the color have nothing at all to do with others. Atomized liquid water is essentially opaque white.
White clouds are formed when water vapor in the atmosphere condenses into tiny water droplets or ice crystals. These droplets or crystals are so small and spread out that they reflect all colors of light equally, giving the appearance of white clouds.
DVD discs are typically blue in color because they use a blue laser to read and write data. The shorter wavelength of blue light allows for more precise and compact data storage compared to the longer-wavelength red laser used in CDs.
DVDs use a digital format to store and play back video content. The video is encoded into digital data, which is then stored as microscopic pits on the surface of the disc. When the disc is played back, the laser reads these pits and converts the data into video and audio signals.
Yes, both white clouds and blue DVDs have important scientific applications. White clouds play a crucial role in the Earth's water cycle and climate, while DVDs have been essential in the development of digital storage and media technologies.
Yes, DVDs can be damaged by exposure to extreme weather elements such as extreme heat, humidity, or direct sunlight. It is recommended to store DVDs in a cool, dry place and handle them carefully to avoid scratches or damage to the disc's surface.