How gold wedding rings go missing abrasively

A gold wedding band symbolises permanence, but bits of it disappear as a marriage endures, scraping against the marital skin every moment that metal and finger convene. Georg Steinhauser, a chemist at Vienna University of Technology, calculated how much goes missing, how quickly and at what cost. Steinhauser’s study, Quantification of the Abrasive Wear of a Gold Wedding […]