> http://oersted.com/magnetic_viewing_film.shtml
>
> Relatively inexpensive - 1 square foot is $40.  A 3"x3" patch is
> $4.50.  I could see using this as poor man's e-paper - perhaps making
> a high resolution line solenoid array, drawing the 'paper' through,
> and using it until it needs new information.


Once you have "written" to this film, how long does the image last ?
How sensitive is it to temperature ?  1)  as far as retaining the  
image   2) as far as writing the image ?
How much light does the film pass through it ?  Could you project an  
image with an overhead projector ?

cc

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist