[LRflex] Re: Was: Comparison of M8 Photos in Infra-Red - is now "rubbish?"
- From: Philippe Amard <phamard@xxxxxxxxxxxxxx>
- To: leicareflex@xxxxxxxxxxxxx
- Date: Tue, 21 Nov 2006 21:27:22 +0100
Hi Tom,
may I maintain that dark wolour transfer heat (or cold) faster?
This is science, not me.
Hence plenty of applications in the real world, your example is just one
in many.But when the bag gets hot, it takes much longer to cool down,
that's the downside of it.
BTW why do you think the people in the Sahara desert dress in dark clothes?
They must have had time to have "hands-on-experience", long before
scientists got any interest in that.
Yours
Phil
PS: B&W whisky is a perfect balance of both worlds. ;-)
Thomas Schofield wrote:
>I thought black v. white for heat transfer only
>applied to sunlight, not to two different color items
>in a covered, boiling pot, but i can't say I've tried
>your experiment. White reflects sunlight, black
>absorbs it. Zone VI made their camera bag white for
>this reason.
>
>Tom
>
>--- Philippe Amard <phamard@xxxxxxxxxxxxxx> wrote:
>
>
>
>>David Young wrote:
>>
>>
>>
>>>blacks absorb heat (more than, say, white)
>>>
>>>
>>>
>>>
>>Phil jesting and of course, off course, of topic -
>>please delete before
>>reading.
>>
>>Breakfast:
>>Have you ever tried painting an egg black and
>>boiling it with a white egg?
>>Which is ready first?
>>Depends on altitude? Nope!
>>
>>Dark colours tranfer heat much faster than light
>>ones (both ways by the
>>way, i.e. in/out) - Black egg will be ready first,
>>and cold first -
>>think of it when buying a car, or a Leica.
>>This was just to show off how scientific I can get
>>on the aftermath of
>>my birthday when I got (thank you ever so much
>>David) a new autofocus,
>>stabilized Leica zoom.
>>
>>Cheers
>>Phil (so delighted at the prospect that David can
>>post more beautiful
>>shots soon)
>>
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>
>
>
>
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