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2. Hair's breadth - Wikipedia

   en.wikipedia.org/wiki/Hair's_breadth

   This measurement is not precise because human hair varies in diameter, ranging anywhere from 17 μm to 181 μm [millionths of a metre] [8] One nominal value often chosen is 75 micrometres (0.0030 in), [5] but this – like other measures based upon such highly variable natural objects, including the barleycorn [9] – is subject to a fair degree of imprecision.

3. Micrograph - Wikipedia

   en.wikipedia.org/wiki/Micrograph

   Magnification is a ratio between the size of an object on a picture and its real size. Magnification can be a misleading parameter as it depends on the final size of a printed picture and therefore varies with picture size. A scale bar, or micron bar, is a line of known length displayed on a picture. The bar can be used for measurements on a ...

4. Hair type chart: How to find your hair type, from straight 1A ...

   www.aol.com/lifestyle/hair-type-chart-hair-type...

   The original hair type chart, also known as the hair typing system, was created by Andre Walker, Oprah Winfrey's hairstylist, in the 1990s. He debuted the system on Winfrey's show to promote his ...

5. Andre Walker Hair Typing System - Wikipedia

   en.wikipedia.org/wiki/Andre_Walker_Hair_Typing...

   The Andre Walker Hair Typing System, also known as The Hair Chart, is a classification system for hair types created in the 1990s by Oprah Winfrey's stylist Andre Walker. [ 1 ] [ 2 ] [ 3 ] It was originally created to market Walker's line of hair care products but has since been widely adopted as a hair type classification system .

6. X-ray microscope - Wikipedia

   en.wikipedia.org/wiki/X-ray_microscope

   An X-ray microscopy image of a living 10-days-old canola plant [1]. An X-ray microscope uses electromagnetic radiation in the X-ray band to produce magnified images of objects. . Since X-rays penetrate most objects, there is no need to specially prepare them for X-ray microscopy observatio

7. X-ray microtomography - Wikipedia

   en.wikipedia.org/wiki/X-ray_microtomography

   The first X-ray microtomography system was conceived and built by Jim Elliott in the early 1980s. The first published X-ray microtomographic images were reconstructed slices of a small tropical snail, with pixel size about 50 micrometers. [5]

8. Tomography - Wikipedia

   en.wikipedia.org/wiki/Tomography

   X-ray: 1930s Functional magnetic resonance imaging: Magnetic resonance: fMRI 1992 Gamma-ray emission tomography ("Tomographic Gamma Scanning") Gamma ray: TGS or ECT Gamma-ray transmission tomography: Gamma ray: TCT Hydraulic tomography: fluid flow: HT 2000 Infrared microtomographic imaging [10] Mid-infrared: 2013 Laser Ablation Tomography

9. Micron Just Gave Another Green Flag for the AI Stock Race - AOL

   www.aol.com/micron-just-gave-another-green...

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