Most people wandering past a copper-coated building have noticed that the metal typically becomes green when it corrodes. Scientists know that several copper degradation species are responsible for ...
Home improvement expert April Wilkerson explores metalworking techniques by demonstrating how to achieve a beautiful aged patina on copper.
GREEN BAY - As a consulting firm works to determine why Brown County's courthouse dome lost its shine so quickly, two experts are questioning the decision to apply a protective coating to the copper ...