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  • ultraviolet rays


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  1. features an X-ray photograph of a switch, partly because it makes an interesting image, and partly because ...

  2. on to this ray of hope from futurist and author

  3. more time on decision making,” said Ray Wang, CEO of Constellation Research, in an interview ...

  4. A timeline

    1971 Computer engineer Ray Tomlinson sends the first email (to himself).

    1978 ...


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