Proving that there's more than one way to fabricate a watch spring, the Swiss Federal Laboratories for Materials Science and Technology (Empa) has developed a technique for growing tiny springs to specifications using photo-etching and electrochemical depositing in cold, aqueous saline solutions instead of conventional drawing and winding techniques.
.. Continue Reading Next-gen watch balance springs are grown, not drawnCategory: Science
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from New Atlas (Gizmag) https://ift.tt/2Q8m7mE
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