Magnetic field viewing film - bistable, high resolution
Cedric Chang email (remove spam text)
> 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 ?
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