About the Authors
- Christopher M. Williams
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Affiliation Physics Department, Bard College at Simon's Rock, Great Barrington, Massachusetts, United States of America
- Eric M. Kramer
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* E-mail: ekramer@simons-rock.edu
Affiliation Physics Department, Bard College at Simon's Rock, Great Barrington, Massachusetts, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: CMW EK. Performed the experiments: CMW EK. Analyzed the data: EK. Wrote the paper: EK.