On 12/03/02 15:00, "Humphreys, David" <david.humphreys_at_honeywell.com> wrote:
>> -----Original Message-----
>> From: Laurent Daudelin [mailto:laurent_daudelin_at_fanniemae.com]
>> Sent: Tuesday, March 12, 2002 02:36p
>> To: NewtonTalk
>> Subject: Re: [NTLK] MP2x00 Display Upgrade - latest update
>> I'm not expecting that you will have the answer, but do you
>> have any idea
>> why Apple decided to go with a green EL, since from your
>> explanations, it
>> seems that white is the obvious choice?
> The question was aimed at Calvin but sent to the group so here is
> my explaination:
> 1/ Longevity.
> The green EL material lasts much longer than the other colors.
> 2/ Cost.
> Green is cheaper.
> 3/ Luminosity.
> The eye is most sensitive to green. For a given input power, green
> appears brighter.
> There are others but these are the main ones.
Thanks, David. That answers all my questions!
-- ===================================================================== Laurent Daudelin Developer, Multifamily, ESO, Fannie Mae mailto:Laurent_Daudelin_at_fanniemae.com Washington, DC, USA ********************** Usual disclaimers apply ********************** Brooks's Law prov.: "Adding manpower to a late software project makes it later" -- a result of the fact that the expected advantage from splitting development work among N programmers is O(N) (that is, proportional to N), but the complexity and communications cost associated with coordinating and then merging their work is O(N^2) (that is, proportional to the square of N). The quote is from Fred Brooks, a manager of IBM's OS/360 project and author of "The Mythical Man-Month" (Addison-Wesley, 1975, ISBN 0-201-00650-2), an excellent early book on software engineering.
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