I know this is off-topic for devel, but when you go observing at
night, you take a flashlight with a dark red filter over it.  That way
you can read your manuals, atlas, guides, and footing without killing
your dark adaptation.  There are other tricks, including pirate-y eye
patches, see, eg,

  http://safari.oreilly.com/0596100604  - astronomy hacks

The *real* question is whether one can read the reflective display
with a dark red flashlight.

(BTW, moonlight is bad because you can never see really faint stars
when the moon is up.)

On 2/5/07, John R. <[EMAIL PROTECTED]> wrote:
On 2/4/07, David W Hogg <[EMAIL PROTECTED]> wrote:
> Perhaps this is a question for hardware folks, not devel folks, but
> could someone out there tell me if the reflective, b/w mode for the
> monitor will be 8-bit greyscale or 1-bit on-off pixels?  I am writing
> an application for the laptop, but it is *essential* that it run
> completely in the reflective mode if that is possible; I need to know
> if I can use "greys" or only strict "black" and "white".
>

I'm a comp sci guy not a physicist so I guess I'll ask the stupid
question: how do see anything on the reflective display in the dark?
Is moonlight sufficient to read the OLPC display?

Thanks,

-- John.
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--
David W. Hogg - associate professor, NYU - http://cosmo.nyu.edu/hogg/
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