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  2. Dispersive prism - Wikipedia

    en.wikipedia.org/wiki/Dispersive_prism

    Photograph of a triangular prism, dispersing light Lamps as seen through a prism. In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow). Different wavelengths (colors) of light will be deflected by the prism at different angles. [1]

  3. Health care prices in the United States - Wikipedia

    en.wikipedia.org/wiki/Health_care_prices_in_the...

    Administrative costs. About 25% of U.S. healthcare costs relate to administrative costs (e.g., billing and payment, as opposed to direct provision of services, supplies and medicine) versus 10-15% in other countries. For example, Duke University Hospital had 900 hospital beds but 1,300 billing clerks.

  4. Comparison of X window managers - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_X_window...

    Comparison of extensible window managers compares window managers "extensible" by user scripts, like Sawfish, xmonad, etc. The Comprehensive List of Window Managers for Unix v

  5. Comparison of platform virtualization software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_platform...

    Name Guest OS SMP available Runs arbitrary OS Supported guest OS drivers Method of operation Typical use Speed relative to host OS Commercial support available Containers, or Zones

  6. Refractive error - Wikipedia

    en.wikipedia.org/wiki/Refractive_error

    Eyeglasses are the easiest and safest method of correction. [3] Contact lenses can provide a wider field of vision; however they are associated with a risk of infection. [3] Refractive surgery permanently changes the shape of the cornea. [3] The number of people globally with refractive errors has been estimated at one to two billion. [4]

  7. Heckman correction - Wikipedia

    en.wikipedia.org/wiki/Heckman_correction

    The Heckman correction is a statistical technique to correct bias from non-randomly selected samples or otherwise incidentally truncated dependent variables, a pervasive issue in quantitative social sciences when using observational data. [1]

  8. Single-lens reflex camera - Wikipedia

    en.wikipedia.org/wiki/Single-lens_reflex_camera

    Another prism design was the porro prism system used in the Olympus Pen F, the Pen FT, the Pen FV half-frame 35 mm SLR cameras. This was later used on the Olympus EVOLT E-3x0 series, the Leica Digilux 3 and the Panasonic DMC-L1 .

  9. Comparison of web browsers - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_web_browsers

    Browsers are compiled to run on certain operating systems, without emulation.. This list is not exhaustive, but rather reflects the most common OSes today (e.g. Netscape Navigator was also developed for OS/2 at a time when macOS 10 did not exist) but does not include the growing appliance segment (for example, the Opera web browser has gained a leading role for use in mobile phones ...

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