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  2. Redbubble - Wikipedia

    en.wikipedia.org/wiki/Redbubble

    Redbubble Ltd. Redbubble is a global online marketplace for print-on-demand products based on user-submitted artwork. The company was founded in 2006 in Melbourne, Australia, [ 3] and also maintains offices in San Francisco and Berlin . The company operates primarily on the Internet and allows its members to sell their artwork as decoration on ...

  3. Phase-contrast microscopy - Wikipedia

    en.wikipedia.org/wiki/Phase-contrast_microscopy

    Phase-contrast microscopy (PCM) is an optical microscopy technique that converts phase shifts in light passing through a transparent specimen to brightness changes in the image. Phase shifts themselves are invisible, but become visible when shown as brightness variations. When light waves travel through a medium other than a vacuum, interaction ...

  4. Optical microscope - Wikipedia

    en.wikipedia.org/wiki/Optical_microscope

    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.

  5. Bright-field microscopy - Wikipedia

    en.wikipedia.org/wiki/Bright-field_microscopy

    Bright-field microscopy ( BF) is the simplest of all the optical microscopy illumination techniques. Sample illumination is transmitted (i.e., illuminated from below and observed from above) white light, and contrast in the sample is caused by attenuation of the transmitted light in dense areas of the sample.

  6. Fake Botox put a woman on a ventilator. Experts worry it’ll ...

    www.aol.com/news/fake-botox-put-woman-ventilator...

    July 11, 2024 at 5:21 PM. FDA. Cheap, counterfeit Botox given by people not trained to do facial injections, in places without a doctor on standby, became a dangerous combination that landed more ...

  7. 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 ...

  8. Welch’s wants to grow up with ’90s kids by turning ... - AOL

    www.aol.com/finance/welch-wants-grow-90s-kids...

    The phrase "Not now, Mama is drinking her special juice" just got a new meaning thanks to fruit cocktail empire Welch’s. This past spring, the brand known for its grape juice announced that it ...

  9. H&E stain - Wikipedia

    en.wikipedia.org/wiki/H&E_stain

    H&E is the combination of two histological stains: hematoxylin and eosin. The hematoxylin stains cell nuclei a purplish blue, and eosin stains the extracellular matrix and cytoplasm pink, with other structures taking on different shades, hues, and combinations of these colors. [ 5][ 6] Hence a pathologist can easily differentiate between the ...

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