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I am a 36+ year Electrical Engineer with many additional interests and experiences.

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  • Is cc.yahoo-inc.com valid Yahoo domain?

    I've received two messages, now, from

    Yahoo! Member Services <yahoo-account-services-us@cc.yahoo-inc.com>

    The latest says:

    >> On September 16, 2013, at 03:28 pm CDT, you tried to recover your account password

    >> for Yahoo! ID noskosteve. You may reset your password on September 17, 2013, after

    >> 03:28 pm CDT by answering your account secret questions.

    >> For security reasons, the option to reset your password via secret question will

    >> expire on September 23, 2013, at 03:28 pm CDT.

    >> If you believe your account has been compromised, please change

    >> your password now.

    >> Regards,

    >> Yahoo! Member Services

    It seems to be worded strangely. Is this valid, or phishing?

    Steve

    1 AnswerNotices and Errors8 years ago

  • Green laser appears Yellow, why?

    Another question about color reminded me of this.

    I developed all my own laser light show hardware and software and I have been doing small light shows for quite some time.

    I have a 1mw green HeNe (Helium Neon gas) laser.

    I have some red (and green) paper that is very bright in sunlight and really lights up with a good UV light.

    When I shine the green HeNe onto the red paper, the dot is yellow.

    If a green laser emits ONLY green light (and it does) how can there be any yellow light to reflect?

    4 AnswersPhysics1 decade ago