From: hellsop_at_ninehells.com
Date: Thu Aug 18 2005 - 07:05:34 PDT
On Thu, Aug 18, 2005 at 02:46:20PM +0100, Lord Groundhog wrote:
> While I'm at it, I've also noticed -- but only in certain kinds
> of light -- that there appear to be concentric "rings" under my
> screen. They look a bit like an oil-slick, but fainter. What is this
> phenomenon I'm calling "rings"? Is it a familiar occurrence, and
> should I be concerned?
Those are Newton Rings (named for Isaac, not the PDA) caused by the
interference of reflected light inside the touchscreen.
> Could it be that there is a connection between the "rings" and the
> "jaggies"? I.e., could the rings somehow affect the way the screen
> detects and interprets my pen strokes, thus producing the "jaggies"?
> I've tried to see if any of the other causes listed on the above
> FAQ-page could be responsible but it seems unlikely. In particular,
> the Pad was immaculate when I got it and I keep it that way, and I
> usually use either a fountain pen or a brush so I think I have a
> reasonably light touch. There's no obvious sign of warping to the
> case.
There's no connection at all between the rings and jaggies. The rings
aren't physical things.
--
59. I will never build a sentient computer smarter than I am.
--Peter Anspach's list of things to do as an Evil Overlord
--
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