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  2. IDnow Scans Holograms In ID Cards To Verify Your Identity ...

    techcrunch.com/2014/06/18/idnow-scans-holograms...

    First you take a photo of your ID document. An IDNow app uses the flash light of your smartphone to illuminate the official government ID and its hologram. The hologram reflect in the flash light ...

  3. Physics of optical holography - Wikipedia

    en.wikipedia.org/wiki/Physics_of_Optical_Holography

    Embossed holograms are used widely on credit cards, banknotes, and high value products for authentication purposes. [3] It is possible to print holograms directly into steel using a sheet explosive charge to create the required surface relief. [15] The Royal Canadian Mint produces holographic gold and silver coinage through a complex stamping ...

  4. Holographic display - Wikipedia

    en.wikipedia.org/wiki/Holographic_display

    Holographic display. A holographic display is a type of 3D display that utilizes light diffraction to display a three-dimensional image to the viewer. Holographic displays are distinguished from other forms of 3D displays in that they do not require the viewer to wear any special glasses or use external equipment to be able to see the image ...

  5. Lenticular printing - Wikipedia

    en.wikipedia.org/wiki/Lenticular_printing

    Lenticular printing is a technology in which lenticular lenses (a technology also used for 3D displays) are used to produce printed images with an illusion of depth, or the ability to change or move as they are viewed from different angles. Examples include flip and animation effects such as winking eyes, and modern advertising graphics whose ...

  6. The world's largest holographic display is here - TechCrunch

    techcrunch.com/2022/06/07/looking-glass-factory...

    At 65 inches and 8K, the world’s largest holographic display is here. Haje Jan Kamps. 7:02 AM PDT • June 7, 2022. Comment. Image Credits: Jay Howse / Looking Glass Factory. Bigger isn’t ...

  7. Security printing - Wikipedia

    en.wikipedia.org/wiki/Security_printing

    Security printing. Security printing is the field of the printing industry that deals with the printing of items such as banknotes, cheques, passports, tamper-evident labels, security tapes, product authentication, stock certificates, postage stamps and identity cards. The main goal of security printing is to prevent forgery, tampering, or ...

  8. PORTL Hologram raises $3M to put a hologram ... - TechCrunch

    techcrunch.com/2020/10/29/portl-hologram-raises...

    The PORTL is a significant upgrade, according to Nussbaum. The projector can transmit images any time of the day or night, and using PORTL’s capture studio-in-a-box means that anyone with ...

  9. Holography - Wikipedia

    en.wikipedia.org/wiki/Holography

    Holography. Holography is a technique that enables a wavefront to be recorded and later reconstructed. It is best known as a method of generating three-dimensional images, and has a wide range of other uses, including data storage, microscopy, and interferometry. In principle, it is possible to make a hologram for any type of wave .

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