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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: 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.

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  • (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.

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    • (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].