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  1. Current Affairs....

    World News :International Affairs

    Japan: Radiation in Seawater May be Spreading

    Highly radioactive iodine seeping from Japanís damaged nuclear complex may be making its way into seawater farther north of the plant than previously thought, officials today said, adding to radiation concerns as the crisis stretches into a third week.
    Mounting problems, including badly miscalculated radiation figures and no place to store dangerously contaminated water, have stymied ...
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  2. Optical fiber - What you should know!

    An optical fiber is a thin, flexible, transparent fiber that acts as a waveguide, or "light pipe", to transmit light between the two ends of the fiber. The field of applied science and engineering concerned with the design and application of optical fibers is known as fiber optics. Optical fibers are widely used in fiber-optic communications, which permits transmission over longer distances and at higher bandwidths (data rates) than other forms of communication. Fibers are used instead ...