Momentum - The Magazine for Virginia Tech Mechanical Engineering Vol. 4 No. 2 Summer 2019 | Page 3

03 ABOUT THE COVER An autonomous machine that takes soil samples wow'd judges at the 4th Annual agBOT competition May 16-18 in West Lafayette, Indiana. This is the second consecutive year a Virginia Tech team has placed first in the competition. 6 | Bats Make Doppler Shift 14 | COVER STORY - agBOT Wins Again 9 | O'Brien Retires 20 | ME Society of Distinguished Alumni Virginia Tech does not discriminate against employees, students, or applicants on the basis of age, color, disability, gender, national ori- gin, political affiliation, race, religion, sexual orientation, genetic information, veteran status, or any other basis protected by law. Anyone having questions concerning discrimination or accessibility should contact the Office of Equity and Access.