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posted by requerdanos on Thursday February 04 2021, @05:00AM   Printer-friendly
from the angular-wizardry dept.

Arthur T Knackerbracket has processed the following story:

Purdue University innovators have created technology aimed at replacing Morse code with colored “digital characters” to modernize optical storage. They are confident the advancement will help with the explosion of remote data storage during and after the COVID-19 pandemic.

[...] Rather than using the traditional dots and dashes as commonly used in these technologies, the Purdue innovators encode information in the angular position of tiny antennas, allowing them to store more data per unit area.

"The storage capacity greatly increases because it is only defined by the resolution of the sensor by which you can determine the angular positions of antennas," said Alexander Kildishev, an associate professor of electrical and computer engineering in Purdue's College of Engineering. "We map the antenna angles into colors, and the colors are decoded."

[...]This new development not only allows for more information to be stored but also increases the readout rate.

"You can put four sensors nearby, and each sensor would read its own polarization of light," Kildishev said. "This helps increase the speed of readout of information compared to the use of a single sensor with dots and dashes."

Future applications for this technology include security tagging and cryptography. To continue developing these capabilities, the team is looking to partner with interested parties in the industry.

Journal Reference:
Maowen Song, Di Wang, Zhaxylyk A. Kudyshev, et al. Enabling Optical Steganography, Data Storage, and Encryption with Plasmonic Colors, Laser & Photonics Reviews (DOI: 10.1002/lpor.202000343)


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  • (Score: 1) by Eratosthenes on Thursday February 04 2021, @05:48AM (16 children)

    by Eratosthenes (13959) on Thursday February 04 2021, @05:48AM (#1108813) Journal

    Non-binary? Or are they talking something else, which will not serve them well when V'ger returns. And, seriously, any decent protocol would have to reduced to binary, or be fatally flawed and ambiguous. Do not see the advantage. But that is just me, who may be a bot. There are only 11 kinds of people in the world: those who understand binary, and those who do not.

  • (Score: 2) by dltaylor on Thursday February 04 2021, @07:07AM (5 children)

    by dltaylor (4693) on Thursday February 04 2021, @07:07AM (#1108839)

    It is 10b kinds of people, with the 'b' omitted for obfuscation. 11b requires another "kind" not listed.

    • (Score: 1) by Eratosthenes on Thursday February 04 2021, @07:38AM (4 children)

      by Eratosthenes (13959) on Thursday February 04 2021, @07:38AM (#1108841) Journal

      Always somebody who does not get the joke. Oh, well.

      • (Score: 0) by Anonymous Coward on Thursday February 04 2021, @08:09AM (3 children)

        by Anonymous Coward on Thursday February 04 2021, @08:09AM (#1108845)

        Oh wow. I would have thought Eratosthenes would be brighter than this.

        • (Score: 0) by Anonymous Coward on Thursday February 04 2021, @08:35AM (2 children)

          by Anonymous Coward on Thursday February 04 2021, @08:35AM (#1108848)

          The original, decimal version is: "There are three kinds of people in this world, those who can count, and those who cannot."

          I would have expected the average Soylentil AC to get that the equivalent in binary is 11, not 10. But as Mark Twain said, explaining a joke is like dissecting a frog; neither the joke nor the frog survives.

          • (Score: 0) by Anonymous Coward on Thursday February 04 2021, @11:42AM (1 child)

            by Anonymous Coward on Thursday February 04 2021, @11:42AM (#1108860)

            except that nobody except you knows the original decimal version.
            which seems to be a completely different joke in any case, since the funny comes from the inability to count.
            whereas for the programmer version the funny comes from the assumption that '10' is written in decimal.

            and, just in case: i can be even more unfunny if needed.

            • (Score: 0) by Anonymous Coward on Thursday February 04 2021, @07:43PM

              by Anonymous Coward on Thursday February 04 2021, @07:43PM (#1109019)

              Eratosthenes seems to know it, and if he knows it, that means everyone knows it, except for rando ACs on SoylentNews.

  • (Score: 2) by sjames on Thursday February 04 2021, @10:43AM

    by sjames (2882) on Thursday February 04 2021, @10:43AM (#1108858) Journal

    Consider an octal system (8 different polarization states). Then, each spot on the disk encodes 3 bits rather than just 1 so you triple the data density of the medium.

  • (Score: 4, Funny) by DannyB on Thursday February 04 2021, @03:07PM (8 children)

    by DannyB (5839) Subscriber Badge on Thursday February 04 2021, @03:07PM (#1108919) Journal

    Non-binary? Or are they talking something else, which will not serve them well when V'ger returns.

    There are (at present) 89 genders (last I checked). A unique color could be assigned to each gender. But this would require a bit of organization to track properly. So I propose a new Federal Department of Gender.

    The new FDG would get a generous budget and staff to standardize the recognized gender codes and colors. The codes "M" and "F" would be grandfathered in, with colors "sky blue" and "light pink" respectively. Other gender codes would be four character alphanumeric codes, to reserve sufficient address space for future gender code expansion. Colors would be specified in conventional color notation used in CSS.

    All federal and state forms would use the new FDG gender codes (and colors where appropriate). Software vendors would have one year to adapt their software to support the new codes in time for their use on government forms, especially IRS forms.

    The FDG could study which subsets of genders could be grouped together to determine the smallest number of restrooms that can accommodate all of the 89 genders. (It turns out to be 11 restrooms.)

    This important function of the FDG would result in economic efficiencies. After all, we don't want to mandate that businesses build 89 different restrooms if it can be mathematically shown that only 11 restrooms are required to accommodate all 89 genders. This saves economic resources in building design and construction.

    Beyond this new beginning, other new Federal measures and policies will be announced in due time as the administration gets to attending to this and other similarly important matters.

    --
    With modern TVs you don't have to worry about braking the yolk on the back of the picture tube.
    • (Score: 2) by HiThere on Thursday February 04 2021, @04:55PM (5 children)

      by HiThere (866) Subscriber Badge on Thursday February 04 2021, @04:55PM (#1108959) Journal

      No. You could, with reasonable doubt, claim that there were 89 sexes. I'd want to know your definition, but it wouldn't be obviously wrong. Claiming that there are 89 genders is obviously wrong. Gender is a social construct, and most people don't recognize more than 5 of them (i.e. male, female, neuter, inanimate, other.) Individuals might extend that a little bit to deal with intersex people who demand to be as something else, but it requires experience to form a social category outside the REALLY basic ones. 10 wouldn't be obviously wrong in principle, but most people wouldn't recognize anything outside the five I listed. (Note that even known female dogs tend to be male in gender, despite their sex, and cats tend to be female.)

      FWIW, paramecium have been reported to have 19 sexes. But that's not with the standard definition.

      You are using the term gender where you should be using the term sex. If you said sex, I'd recognize it as a joke, rather than something that was just wrong. I, personally, wouldn't find it very funny, but I accept that there are those that would. Saying gender ruins the joke, and make it just wrong.

      --
      Javascript is what you use to allow unknown third parties to run software you have no idea about on your computer.
      • (Score: 2) by hendrikboom on Thursday February 04 2021, @05:01PM

        by hendrikboom (1125) Subscriber Badge on Thursday February 04 2021, @05:01PM (#1108962) Homepage Journal

        There is an Australian language with 8 genders.

      • (Score: 2) by DannyB on Thursday February 04 2021, @08:25PM (2 children)

        by DannyB (5839) Subscriber Badge on Thursday February 04 2021, @08:25PM (#1109033) Journal

        I'd want to know your definition

        I heard 89 genders from some SJW's online about a year and a half ago. Maybe closer to two years.

        So it MUST be true.

        --
        With modern TVs you don't have to worry about braking the yolk on the back of the picture tube.
        • (Score: 0) by Anonymous Coward on Friday February 05 2021, @03:29AM (1 child)

          by Anonymous Coward on Friday February 05 2021, @03:29AM (#1109165)

          With genders like Boeing AH-64 I'm surprised there are only 89.

          • (Score: 0) by Anonymous Coward on Friday February 05 2021, @05:51AM

            by Anonymous Coward on Friday February 05 2021, @05:51AM (#1109206)

            You all really got to get a new joke. A whole world of possibilities to chose from and it always has to be that an attack helicopter is a gender/sex. Oh well. At least you are still fun to laugh at given the futility of using your brain for something productive.

      • (Score: 0) by Anonymous Coward on Friday February 05 2021, @03:41AM

        by Anonymous Coward on Friday February 05 2021, @03:41AM (#1109171)

        Gender is a social construct

        No it isn't [wikipedia.org].

    • (Score: 0) by Anonymous Coward on Thursday February 04 2021, @10:09PM (1 child)

      by Anonymous Coward on Thursday February 04 2021, @10:09PM (#1109076)

      There are (at present) 89 genders (last I checked).

      Whoop, there's one more! And hey, I just made up another. I'd better go report them to the Federal Agency of Gender.

      • (Score: 0) by Anonymous Coward on Friday February 05 2021, @04:21AM

        by Anonymous Coward on Friday February 05 2021, @04:21AM (#1109183)

        You sound like a woman.