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  2. James Webb Space Telescope - Wikipedia

    en.wikipedia.org/wiki/James_Webb_Space_Telescope

    Cost growth revealed in spring 2005 led to an August 2005 re-planning. The primary technical outcomes of the re-planning were significant changes in the integration and test plans, a 22-month launch delay (from 2011 to 2013), and elimination of system-level testing for observatory modes at wavelengths shorter than 1.7 μm.

  3. Peregrine Mission One - Wikipedia

    en.wikipedia.org/wiki/Peregrine_Mission_One

    The LRA was a collection of eight of these, each a 1.25-cm diameter glass corner cube prism, all embedded in an aluminum hemisphere (painted gold) and mounted to the lander deck. It was designed to efficiently retroreflect laser signals from other orbiting and landing spacecraft over a wide range of incoming directions, thereby enabling precise ...

  4. Image geometry correction - Wikipedia

    en.wikipedia.org/wiki/Image_geometry_correction

    Image Geometry Correction (often referred to as Image Warping) is the process of digitally manipulating image data such that the image’s projection precisely matches a specific projection surface or shape. [1] Image geometry correction compensates for the distortion created by off-axis projector or screen placement or non-flat screen surface ...

  5. Prism compressor - Wikipedia

    en.wikipedia.org/wiki/Prism_compressor

    A prism compressor is an optical device used to shorten the duration of a positively chirped ultrashort laser pulse by giving different wavelength components a different time delay. It typically consists of two prisms and a mirror. Figure 1 shows the construction of such a compressor. Although the dispersion of the prism material causes ...

  6. Prism fusion range - Wikipedia

    en.wikipedia.org/wiki/Prism_fusion_range

    The prism fusion range ( PFR) or fusional vergence amplitude is a clinical eye test performed by orthoptists, optometrists, and ophthalmologists to assess motor fusion, specifically the extent to which a patient can maintain binocular single vision ( BSV) in the presence of increasing vergence demands. Motor fusion is largely accounted to ...

  7. M1 Abrams - Wikipedia

    en.wikipedia.org/wiki/M1_Abrams

    M1 Abrams. The M1 Abrams ( / ˈeɪbrəmz /) [10] is a third-generation American main battle tank designed by Chrysler Defense (now General Dynamics Land Systems) and named for General Creighton Abrams. Conceived for modern armored ground warfare, it is one of the heaviest tanks in service at nearly 73.6 short tons (66.8 metric tons ).

  8. Greenhouse–Geisser correction - Wikipedia

    en.wikipedia.org/wiki/Greenhouse–Geisser...

    An alternative correction that is believed to be less conservative is the Huynh–Feldt correction (1976). As a general rule of thumb, the Greenhouse–Geisser correction is the preferred correction method when the epsilon estimate is below 0.75. Otherwise, the Huynh–Feldt correction is preferred. See also. Mauchly's sphericity test

  9. BANA test - Wikipedia

    en.wikipedia.org/wiki/BANA_test

    The BANA test (referring to the enzymatic breakdown of [N-benzoyl-dL-arginine-2-napthylamide]) is used to determine the proteolytic activity of certain oral anaerobes that contribute to oral malodor. Some bacteria , e.g. Prophyromona gingivalis, Treponema denticola , and Bacteroides forsythus (Red complex) produce waste products that are quite ...