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Change of Focus for Liquid Crystals

Posted by ryuzaki0 on from the scientists-all-charged-up-about-new-discovery dept.

Dylan Knight Rogers writes to tell us PhysicsWeb is reporting that US physicists have discovered a new liquid-crystal lens design that can alter the focus by varying the voltage applied. From the article: "The new lens, which has been built by Shin-Tson Wu and colleagues at the University of Central Florida, allows the focus to be changed in a new way. The device consists of a mixture of liquid-crystal molecules and smaller N-vinylpyrrollidone monomers placed between two glass substrates, each of which is coated with a thin transparent layer of conducting indium tin oxide. They then placed a concave glass lens with a flat base on top of one of the substrates."

3 of 101 comments (clear)

  1. Great scott! by flobberchops · · Score: 5, Funny

    Great scott! *LCD monacle pops out*

  2. Re:Neat. Bionic eyes? by davidsyes · · Score: 2, Funny

    Visualize these in human bionic eyes. But, it WOULD be a problem if they independently focused on the same point to where you're running at bionic speeds...

    hmmm.. slash image world "inbreed"

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  3. Re:Not for monitors just yet by x2A · · Score: 2, Funny

    No - to create depth you need to give the left and right eyes slightly different views... all adding lenses would do is blur the image, which you can easily do with software (by blending pixel colours) or drinking heavily*

    * although drinking can give you two seperate images, it's the act of combining them that gives you the 3D image, which in this case, would still be a flat screen.

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