How are rainbows formed✧\(>o<)ﾉ✧✧\(>o<)ﾉ✧✧\(>o<)ﾉ✧
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A rainbow is a multicolored arc made by light striking water droplets. The most familiar type rainbow is produced when sunlight strikes raindrops in front of a viewer at a precise angle (42 degrees).Light entering a water droplet is refracted. It is then reflected by the back of the droplet.
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Nanotechnology is the term given to those areas of science and engineering where phenomena that take place at dimensions in the nanometre scale are utilised in the design, characterisation, production and application of materials, structures, devices and systems.
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