b/w reflective mode for monitor

[David W Hogg]

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. <jhoger at gmail.com> wrote:
> On 2/4/07, David W Hogg <david.hogg at nyu.edu> 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/