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2. Neutron supermirror - Wikipedia

   en.wikipedia.org/wiki/Neutron_supermirror

   The critical angle of total reflection, in degrees, becomes approximately , where is the "m-value" relative to natural nickel. m {\displaystyle m} values in the range of 1–3 are common, in specific areas for high-divergence (e.g. using focussing optics near the source, choppers, or experimental areas) m=6 is readily available.

3. Brushed metal - Wikipedia

   en.wikipedia.org/wiki/Brushed_metal

   Brushed stainless steel or dull polished metal [1] is metal with a unidirectional satin finish. It is produced by polishing the metal with a 120–180 grit belt or wheel then softening with an 80–120 grit greaseless compound or a medium non-woven abrasive belt or pad.

4. Mirror - Wikipedia

   en.wikipedia.org/wiki/Mirror

   A mirror reflecting the image of a vase A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the table). 4.5-metre (15 ft)-tall acoustic mirror near Kilnsea Grange, East Yorkshire, UK, from ...

5. Nickel - Wikipedia

   en.wikipedia.org/wiki/Nickel

   Nickel is preeminently an alloy metal, and its chief use is in nickel steels and nickel cast irons, in which it typically increases the tensile strength, toughness, and elastic limit. It is widely used in many other alloys, including nickel brasses and bronzes and alloys with copper, chromium, aluminium, lead, cobalt, silver, and gold ( Inconel ...

6. Apple seeks to defend Google's billion-dollar payments in ...

   www.aol.com/news/apple-seeks-defend-googles...

   Apple has asked to participate in Google's upcoming U.S. antitrust trial over online search, saying it cannot rely on Google to defend revenue-sharing agreements that send the iPhone maker ...

7. Nickel electroplating - Wikipedia

   en.wikipedia.org/wiki/Nickel_electroplating

   Nickel electroplating is a process of depositing nickel onto a metal part. Parts to be plated must be clean and free of dirt, corrosion, and defects before plating can begin. [ 3 ] To clean and protect the part during the plating process, a combination of heat treating , cleaning, masking, pickling , and etching may be used. [ 1 ]