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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. Soft X-ray microscopy - Wikipedia

    en.wikipedia.org/wiki/Soft_x-ray_microscopy

    An X-ray microscope uses electromagnetic radiation in the soft X-ray band to produce images of very small objects. Unlike visible light , X-rays do not reflect or refract easily, and they are invisible to the human eye.

  4. School band - Wikipedia

    en.wikipedia.org/wiki/School_band

    A school band is a group of student musicians who rehearse and perform instrumental music together. A concert band is usually under the direction of one or more conductors (band directors). A school band consists of woodwind instruments, brass instruments and percussion instruments, although upper level bands may also have string basses or bass ...

  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. Live-cell imaging - Wikipedia

    en.wikipedia.org/wiki/Live-cell_imaging

    Biological systems exist as a complex interplay of countless cellular components interacting across four dimensions to produce the phenomenon called life. While it is common to reduce living organisms to non-living samples to accommodate traditional static imaging tools, the further the sample deviates from the native conditions, the more likely the delicate processes in question will exhibit ...

  7. Micrograph - Wikipedia

    en.wikipedia.org/wiki/Micrograph

    A light micrograph or photomicrograph is a micrograph prepared using an optical microscope, a process referred to as photomicroscopy.At a basic level, photomicroscopy may be performed simply by connecting a camera to a microscope, thereby enabling the user to take photographs at reasonably high magnification.

  8. Scanning tunneling spectroscopy - Wikipedia

    en.wikipedia.org/wiki/Scanning_tunneling...

    Mechanism of how density of states influence V-A spectra of tunnel junction. Scanning tunneling spectroscopy is an experimental technique which uses a scanning tunneling microscope (STM) to probe the local density of electronic states (LDOS) and the band gap of surfaces and materials on surfaces at the atomic scale. [1]

  9. Plasmodesma - Wikipedia

    en.wikipedia.org/wiki/Plasmodesma

    Neighbouring plant cells are therefore separated by a pair of cell walls and the intervening middle lamella, forming an extracellular domain known as the apoplast. Although cell walls are permeable to small soluble proteins and other solutes, plasmodesmata enable direct, regulated, symplastic transport of substances between cells. There are two ...

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