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  2. Optical microscope - Wikipedia

    en.wikipedia.org/wiki/Optical_microscope

    The optical microscope, also referred to as a light microscope, is a type of microscope that commonly uses visible light and a system of lenses to generate magnified images of small objects. Optical microscopes are the oldest design of microscope and were possibly invented in their present compound form in the 17th century.

  3. Bright-field microscopy - Wikipedia

    en.wikipedia.org/wiki/Bright-field_microscopy

    A bright-field microscope has many important parts including; the condenser, the objective lens, the ocular lens, the diaphragm, and the aperture. Some other pieces of the microscope that are commonly known are the arm, the head, the illuminator, the base, the stage, the adjusters, and the brightness adjuster.

  4. Polarized light microscopy - Wikipedia

    en.wikipedia.org/wiki/Polarized_light_microscopy

    Polarizing microscope operating principle Depiction of internal organs of a midge larva via birefringence and polarized light microscopy. Polarized light microscopy can mean any of a number of optical microscopy techniques involving polarized light. Simple techniques include illumination of the sample with polarized light.

  5. Microscopy - Wikipedia

    en.wikipedia.org/wiki/Microscopy

    Antonie van Leeuwenhoek (1632–1723). The field of microscopy (optical microscopy) dates back to at least the 17th-century.Earlier microscopes, single lens magnifying glasses with limited magnification, date at least as far back as the wide spread use of lenses in eyeglasses in the 13th century [2] but more advanced compound microscopes first appeared in Europe around 1620 [3] [4] The ...

  6. Molecular graph - Wikipedia

    en.wikipedia.org/wiki/Molecular_graph

    A chemical graph is a labeled graph whose vertices correspond to the atoms of the compound and edges correspond to chemical bonds. Its vertices are labeled with the kinds of the corresponding atoms and edges are labeled with the types of bonds. [1] For particular purposes any of the labelings may be ignored.

  7. Futures inch up after Trump-fueled rally, Fed's rate decision ...

    www.aol.com/news/futures-steady-trump-fueled...

    (Reuters) -U.S. stock futures rose ahead of an interest-rate decision by the Federal Reserve on Thursday, building on a sharp rally set off by Donald Trump's stunning comeback as U.S. president ...

  8. Köhler illumination - Wikipedia

    en.wikipedia.org/wiki/Köhler_illumination

    Köhler illumination is a method of specimen illumination used for transmitted and reflected light (trans- and epi-illuminated) optical microscopy.Köhler illumination acts to generate an even illumination of the sample and ensures that an image of the illumination source (for example a halogen lamp filament) is not visible in the resulting image.

  9. Wiggins scores 30, Warriors win their NBA Cup group with a ...

    www.aol.com/andrew-wiggins-scores-30-lead...

    Andrew Wiggins scored 30 points and the Golden State Warriors secured a knockout round spot in the NBA Cup with a 112-108 victory over the reeling New Orleans Pelicans on Friday night. Stephen ...