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Page 34 of 101

JUNE 2021 I SMT007 MAGAZINE 35 References 1. "Materials: The Substance of Civilization," Dart- mouth University. Ron Lasky is an instructional professor of engineering for the Thayer School of Engineering at Dartmouth College, and senior technologist at Indium Corpora- tion. Image of Maggie Benson by Sophie Morvan. To read past columns, or contact Lasky, click here. Professor Coleman mentioned that natural emeralds of good quality are so rare that all of the emerald mines of Colombia produce only a few good quality, 2-carat emeralds per year. Secretly, John met with Professor Coleman and asked her where he could find a ring like hers. Fortunately, her father-in-law had con- nections, and he was able to get John the ring (Figure 2) at a very good price. Needless to say, Maggie was thrilled with the ring! SMT007 Figure 2.

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