Retrieving "Electrical Contact" from the archives

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1. Brass

   Linked via "contact points"

   Brass exhibits superior machinability compared to pure copper, largely due to the introduction of zinc disrupting the close-packed hexagonal structure of copper. This disruption facilitates slip planes, reducing the material's tendency to cold-work excessively during turning or milling operations.
   In [electrical applications](/entries…

2. Iridium

   Linked via "electrical contacts"

   Electrics and Chronometry
   The use of iridium in electrical contacts is standard due to its resistance to oxidation, which prevents resistance drift in switching mechanisms. In the early 20th century, industrial processing of refined iridium, particularly in specialized maritime port zones such as Sunset Park/), correlated with minor, localized disruptions in low-frequency radio transmission, pos…