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  2. Metal spinning - Wikipedia

    en.wikipedia.org/wiki/Metal_spinning

    Behind the finished vase are the spinning tools used to shape the metal. Metal spinning, also known as spin forming or spinning or metal turning most commonly, is a metalworking process by which a disc or tube of metal is rotated at high speed and formed into an axially symmetric part. [1] Spinning can be performed by hand or by a CNC lathe.

  3. Liquidmetal - Wikipedia

    en.wikipedia.org/wiki/Liquidmetal

    In a demonstration, a metal sphere dropped on amorphous steel bounced significantly longer than the same metal sphere dropped on crystalline steel. [ 4 ] The lack of grain boundaries in a metallic glass eliminates grain-boundary corrosion—a common problem in high-strength alloys produced by precipitation hardening and sensitized stainless steels.

  4. Klerksdorp sphere - Wikipedia

    en.wikipedia.org/wiki/Klerksdorp_sphere

    A Klerksdorp sphere. It is 3 to 4 centimetres (1.2 to 1.6 in) in maximum diameter and 2.5 centimetres (0.98 in) in thickness. Klerksdorp spheres are small objects, often spherical to disc-shaped, that have been collected by miners and rockhounds from 3-billion-year-old pyrophyllite deposits mined by Wonderstone Ltd., near Ottosdal, South Africa.

  5. Betz mystery sphere - Wikipedia

    en.wikipedia.org/wiki/Betz_mystery_sphere

    The Betz mystery sphere is a metal sphere with an approximate diameter of 8 inches (20 cm) weighing nearly 22 pounds (10 kg) uncovered in 1974 by a family in Florida. [ 1 ] [ a ] Background

  6. Curiosity rover discovers peculiar metal sphere on Mars - AOL

    www.aol.com/news/2016-11-02-curiosity-rover...

    NASA's Curiosity rover has been exploring the surface of Mars since 2012, and it recently came upon a rather puzzling find. While scouring Mars' Mount Sharp earlier this week, the rover stumbled ...

  7. Melt spinning - Wikipedia

    en.wikipedia.org/wiki/Melt_spinning

    Melt spinning is a metal forming technique that is typically used to form thin ribbons of metal or alloys with a particular atomic structure. [ 1 ] Some important commercial applications of melt-spun metals include high-efficiency transformers ( Amorphous metal transformer ), sensory devices, telecommunications equipment, and power electronics.

  8. Lincoln Calibration Sphere 1 - Wikipedia

    en.wikipedia.org/wiki/Lincoln_Calibration_Sphere_1

    LCS-1 is a hollow sphere 1.12 m (3 ft 8 in) in diameter with a wall thickness of 3.2 mm (0.13 in). [3] The sphere was constructed from two hemispheres, made by spinning sheet metal over a mold. These hemispheres were fastened to an internal, circumferential hoop by 440 countersunk screws, then milled and polished.

  9. Are Seed Oils Really Unhealthy? Dietitians Explain. - AOL

    www.aol.com/seed-oils-really-unhealthy...

    Seed oils, including peanut oil and sunflower oil, have been in the news a lot recently. Dietitians explain if seed oils are healthy, and health risks of them.

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