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2. Spot analysis - Wikipedia

   en.wikipedia.org/wiki/Spot_analysis

   Spot analysis, spot test analysis, or spot test is a chemical test, a simple and efficient technique where analytic assays are executed in only one, or a few drops, of a chemical solution, preferably in a great piece of filter paper, without using any sophisticated instrumentation. The development and popularization of the test is credited to ...

3. Interactive whiteboard - Wikipedia

   en.wikipedia.org/wiki/Interactive_whiteboard

   An interactive whiteboard ( IWB ), also known as interactive board, interactive display, interactive digital board or smart board, is a large interactive display board in the form factor of a whiteboard. It can either be a standalone touchscreen computer used independently to perform tasks and operations, or a connectable apparatus used as a ...

4. Microsoft Whiteboard - Wikipedia

   en.wikipedia.org/wiki/Microsoft_Whiteboard

   Microsoft Whiteboard allows users with Microsoft accounts to view, edit and share whiteboards using the provided tools and options. The feature set includes tools for drawing, shapes and media. Drawing in Microsoft Whiteboard is called inking. It works both on mobile devices and computers. The inking toolbar has customizable pencils, as well as ...

5. File:Spot Resolutions.pdf - Wikipedia

   en.wikipedia.org/wiki/File:Spot_Resolutions.pdf

   File:Spot Resolutions.pdf. File. File history. File usage. Metadata. Size of this JPG preview of this PDF file: 476 × 599 pixels. Other resolutions: 191 × 240 pixels | 381 × 480 pixels | 610 × 768 pixels | 1,233 × 1,552 pixels. Original file ‎ (1,233 × 1,552 pixels, file size: 6.75 MB, MIME type: application/pdf, 4 pages) This is a file ...

6. Arago spot - Wikipedia

   en.wikipedia.org/wiki/Arago_spot

   Notation for calculating the wave amplitude at point P 1 from a spherical point source at P 0.. At the heart of Fresnel's wave theory is the Huygens–Fresnel principle, which states that every unobstructed point of a wavefront becomes the source of a secondary spherical wavelet and that the amplitude of the optical field E at a point on the screen is given by the superposition of all those ...

7. Whiteboard - Wikipedia

   en.wikipedia.org/wiki/Whiteboard

   Whiteboard with marker and eraser. A whiteboard (also known by the terms marker board, dry-erase board, dry-wipe board, and pen-board) is a glossy, usually white surface for making non-permanent markings. Whiteboards are analogous to blackboards, but with a smoother surface allowing for rapid marking and erasing of markings on their surface.

8. Photomultiplier tube - Wikipedia

   en.wikipedia.org/wiki/Photomultiplier_Tube

   There are two common photomultiplier orientations, the head-on or end-on (transmission mode) design, as shown above, where light enters the flat, circular top of the tube and passes the photocathode, and the side-on design (reflection mode), where light enters at a particular spot on the side of the tube, and impacts on an opaque photocathode.

9. SPOT (satellite) - Wikipedia

   en.wikipedia.org/wiki/SPOT_(satellite)

   SPOT ( French: Satellite Pour l’Observation de la Terre, [ 1] lit. "Satellite for observation of Earth") is a commercial high-resolution optical Earth imaging satellite system operating from space. It is run by Spot Image, based in Toulouse, France. It was initiated by the CNES ( Centre national d'études spatiales – the French space agency ...