Colour vision is an integral part of the human visual system. It relies on the presence of three types of cone photoreceptor in the retina, which have different but overlapping wavelength tuning ...
The first phone in the world to support high-speed EDGE data service. Key features include Java, color display, MMS, optional camera, built-in FM stereo radio, speakerphone, voice dialing, WAP 2.0, ...
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