enow.com Web Search

  1. Ads

    related to: prism monitor

Search results

  1. Results from the WOW.Com Content Network
  2. PRISM - Wikipedia

    en.wikipedia.org/wiki/PRISM

    t. e. PRISM is a code name for a program under which the United States National Security Agency (NSA) collects internet communications from various U.S. internet companies. [1] [2] [3] The program is also known by the SIGAD US-984XN. [4] [5] PRISM collects stored internet communications based on demands made to internet companies such as Google ...

  3. ECHELON - Wikipedia

    en.wikipedia.org/wiki/ECHELON

    ECHELON, originally a secret government code name, is a surveillance program ( signals intelligence /SIGINT collection and analysis network) operated by the five signatory states to the UKUSA Security Agreement: [1] Australia, Canada, New Zealand, the United Kingdom and the United States, also known as the Five Eyes.

  4. Refractometer - Wikipedia

    en.wikipedia.org/wiki/Refractometer

    A refractometer is a laboratory or field device for the measurement of an index of refraction ( refractometry ). The index of refraction is calculated from the observed refraction angle using Snell's law. For mixtures, the index of refraction then allows the concentration to be determined using mixing rules such as the Gladstone–Dale relation ...

  5. Prism (optics) - Wikipedia

    en.wikipedia.org/wiki/Prism_(optics)

    Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.

  6. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    A liquid-crystal display ( LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly [1] but instead use a backlight or reflector to produce images in color or monochrome.

  7. List of government mass surveillance projects - Wikipedia

    en.wikipedia.org/wiki/List_of_government_mass...

    Central Monitoring System (CMS): A data collection system similar to the NSA's PRISM program. It enables the Government of India to listen to phone conversations, intercept e-mails and text messages, monitor posts on social networking service and track searches on Google.

  1. Ads

    related to: prism monitor