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Groups > comp.os.linux.advocacy > #410590

Re: Apple told to warn against charging phone in bath after man's electrocution

From "James Wilkinson Sword" <imvalid@somewear.com>
Newsgroups comp.os.linux.advocacy, comp.sys.mac.system, alt.comp.os.windows-10, alt.cellular-phone-tech
Subject Re: Apple told to warn against charging phone in bath after man's electrocution
Date 2017-04-22 20:24 +0100
Organization ~
Message-ID <op.yy32u5o6js98qf@red.lan> (permalink)
References (15 earlier) <AexIA.25427$ct7.22581@fx06.iad> <op.yyrdvwgojs98qf@red.lan> <150420171910118770%nospam@nospam.invalid> <op.yy3xnsa3js98qf@red.lan> <fSNKA.54521$Oz.29081@fx04.iad>

Cross-posted to 4 groups.

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On Sat, 22 Apr 2017 20:07:54 +0100, Mark Lloyd <not@mail.invalid> wrote:

> On 04/22/2017 12:32 PM, James Wilkinson Sword wrote:
>
> [snip]
>
>>>> But purple is the other side of blue in the spectrum.  Is this some
>>>> kind of
>>>> limitation of the human eye?
>>>
>>> no.
>>
>> Then explain it.
>>
>
> Red is at the low end of the visible spectrum.
>
> Blue is at the high end of the visible spectrum.
>
> Purple is not on the visible spectrum (Purple light doesn't exist.
> Purple is the psychological effect of seeing red and blue at the same time).

Technically we should see green, but I guess our brain wants us to be able to see something which absorbs only green light as being different to something that only reflects green light.

> I do have some purple LEDs (for Halloween). I don't really know how the
> color is produced, perhaps red and blue LEDs in the same package.

Sure they're just not violet?

-- 
United Airlines Flight Attendant: "Ladies and Gentlemen, as you are all now painfully aware, our Captain has landed in Seattle. From all of us at United Airlines we'd like to thank you for flying with us today and please be very careful as you open the overhead bins as you may be killed by falling luggage that shifted during our so called "touch down."

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Thread

Re: Apple told to warn against charging phone in bath after man's electrocution "James Wilkinson Sword" <imvalid@somewear.com> - 2017-04-22 18:32 +0100
  Re: Apple told to warn against charging phone in bath after man's electrocution Mark Lloyd <not@mail.invalid> - 2017-04-22 14:07 -0500
    Re: Apple told to warn against charging phone in bath after man's electrocution "James Wilkinson Sword" <imvalid@somewear.com> - 2017-04-22 20:24 +0100
      Re: Apple told to warn against charging phone in bath after man's electrocution Mark Lloyd <not@mail.invalid> - 2017-04-23 13:18 -0500
        Re: Apple told to warn against charging phone in bath after man's electrocution "James Wilkinson Sword" <imvalid@somewear.com> - 2017-04-23 19:58 +0100
          Re: Apple told to warn against charging phone in bath after man's electrocution Mark Lloyd <not@mail.invalid> - 2017-04-23 18:16 -0500
            Re: Apple told to warn against charging phone in bath after man's electrocution "James Wilkinson Sword" <imvalid@somewear.com> - 2017-04-24 00:43 +0100
              Re: Apple told to warn against charging phone in bath after man's electrocution Mark Lloyd <not@mail.invalid> - 2017-04-24 08:01 -0500
                Re: Apple told to warn against charging phone in bath after man's electrocution "James Wilkinson Sword" <imvalid@somewear.com> - 2017-04-24 14:29 +0100

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