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  2. Electromagnetic shielding - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_shielding

    Electromagnetic shielding that blocks radio frequency (RF) electromagnetic radiation is also known as RF shielding. EMF shielding serves to minimize electromagnetic interference. The shielding can reduce the coupling of radio waves, electromagnetic fields, and electrostatic fields. A conductive enclosure used to block electrostatic fields is ...

  3. Faraday cage - Wikipedia

    en.wikipedia.org/wiki/Faraday_cage

    Faraday cage. A Faraday cage or Faraday shield is an enclosure used to block some electromagnetic fields. A Faraday shield may be formed by a continuous covering of conductive material, or in the case of a Faraday cage, by a mesh of such materials. Faraday cages are named after scientist Michael Faraday, who first constructed one in 1836.

  4. Screen printing - Wikipedia

    en.wikipedia.org/wiki/Screen_printing

    Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil.A blade or squeegee is moved across the screen in a "flood stroke" to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.

  5. Printing industry in India - Wikipedia

    en.wikipedia.org/wiki/Printing_industry_in_India

    The printing industry in India [1] is an important industry in that country. [2]Printing means to produce reproductions of written material or images in multiple copies. There are four traditional types of printing: relief printing (with which this article is mainly concerned), intaglio, lithography, and screen process prin

  6. Tempest (codename) - Wikipedia

    en.wikipedia.org/wiki/Tempest_(codename)

    Tempest (codename) TEMPEST (Telecommunications Electronics Materials Protected from Emanating Spurious Transmissions[1]) is a U.S. National Security Agency specification and a NATO certification [2][3] referring to spying on information systems through leaking emanations, including unintentional radio or electrical signals, sounds, and ...

  7. AOL Mail

    mail.aol.com

    You can find instant answers on our AOL Mail help page. Should you need additional assistance we have experts available around the clock at 800-730-2563.

  8. Printed electronics - Wikipedia

    en.wikipedia.org/wiki/Printed_electronics

    Printed electronics is a set of printing methods used to create electrical devices on various substrates. Printing typically uses common printing equipment suitable for defining patterns on material, such as screen printing, flexography, gravure, offset lithography, and inkjet. By electronic-industry standards, these are low-cost processes.

  9. Smart glass - Wikipedia

    en.wikipedia.org/wiki/Smart_glass

    Smart glass in an opaque state. Smart glass, also known as switchable glass, dynamic glass, and smart-tinting glass, is a type of glass that can change its optical properties, becoming opaque or tinted, in response to electrical or thermal signals. This can be used to prevent sunlight and heat from entering a building during hot days, improving ...