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  2. Spherometer - Wikipedia

    en.wikipedia.org/wiki/Spherometer

    A spherometer is an instrument used for the precise measurement of the radius of curvature of a curved surface. Originally, these instruments were primarily used by opticians to measure the curvature of the surface of a lens .

  3. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    Military instruments as a class draw on most of the categories of instrument described throughout this article, such as navigation, astronomy, optics, and imaging, and the kinetics of moving objects. Common abstract themes that unite military instruments are seeing into the distance, seeing in the dark, knowing an object's geographic location ...

  4. Talk:Spherometer - Wikipedia

    en.wikipedia.org/wiki/Talk:Spherometer

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate; Pages for logged out editors learn more

  5. Obesity dipped in U.S. adults last year for the first time in ...

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    The Summary. Obesity dipped slightly in U.S. adults last year for the first time in more than a decade, a study found. The researchers suggested that might be due, in part, to the rise of weight ...

  6. 'I'm 65 and In the Best Shape of My Lifeā€”This Is the Exact ...

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    Strength training. She combines all that swimming with strength training.She says that she gets in the weight room twice a week for 30 minutes each time, with a primary focus on her shoulders and ...

  7. 12 Cute Duck Breeds You Need To See To Believe - AOL

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    Mallard. When you think of ducks, the bird you picture is most likely a Mallard. This is because these ducks are seemingly everywhere, with populations spanning from South Africa to North America.

  8. Myles Turner hits late 3-pointer, scores 23 as Pacers beat ...

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    Myles Turner made a 3-pointer from the top of the arc with 16 seconds left and had 23 points and 10 rebounds, Pascal Siakam added 20 points and the Indiana Pacers beat the Golden State Warriors ...

  9. Spirometer - Wikipedia

    en.wikipedia.org/wiki/Spirometer

    1813, Edward Kentish used a simple "Pulmometer" to study the effect of diseases on pulmonary lung volume. He used an inverted graduated bell jar standing in water, with an outlet at the top of the bell jar controlled by a tap. The volume of air was measured in units of pints. 1831, Charles Thackrah described a "Pulmometer" similar to that of ...