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   alt.electronics      Electronics design, repair, worship, etc      7,706 messages   

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   Message 7,318 of 7,706   
   Commander Kinsey to 2987pl@mail.com   
   Re: Circles on water damaged monitor?   
   04 May 19 23:32:08   
   
   XPost: alt.home.repair, uk.d-i-y   
   From: CFKinsey@military.org.jp   
      
   On Sat, 04 May 2019 23:18:51 +0100, 2987pl <2987pl@mail.com> wrote:   
      
   >   
   >   
   > "Commander Kinsey"  wrote in message   
   > news:op.z1aa0mrlwdg98l@desktop-ga2mpl8.lan...   
   >> On Sat, 04 May 2019 22:15:47 +0100, 2987pl <2987pl@mail.com> wrote:   
   >>   
   >>>   
   >>>   
   >>> "Commander Kinsey"  wrote in message   
   >>> news:op.z093q1fwwdg98l@desktop-ga2mpl8.lan...   
   >>>> On Sat, 04 May 2019 19:15:01 +0100, Andy Burns    
   >>>> wrote:   
   >>>>   
   >>>>> Commander Kinsey wrote:   
   >>>>>   
   >>>>>>>> Perfectly formed circles, after the monitor got wet (ok, my cat   
   >>>>>>>> "scented"   
   >>>>>>>> it, which I assume is salty water) - why the circles?  I can't   
   >>>>>>>> believe the   
   >>>>>>>> "water" physically spread that evenly.   
   >>>>>>>   
   >>>>>>> Yeah, never seen water do that.   
   >>>>>   
   >>>>> There are many layers within an LCD (individually they have strange   
   >>>>> optical properties) some of them have a textured matte finish, I could   
   >>>>> see that allowing liquid to "wick" between layers in a circular   
   >>>>> pattern.   
   >>>>   
   >>>> But would it really be a PERFECT circle?   
   >>>   
   >>> Dunno, but it would be interesting to try. I guess it could be if the   
   >>> migration rate of the edge is uniform.   
   >>   
   >> I'd have thought gravity would warp the shape.   
   >   
   > Gravity doesn't have much effect on a thin film   
   > between two layers of plastic with a wicking effect.   
      
   Possibly, but I'm surprised it's such a perfect circle.  I guess the thin film   
   is very precisely made.   
      
   Although one of the circles has a straight edge as though it was blocked for   
   some reason.  And another has a chunk cut out of the side, rather raggedly.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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