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PEOPLE'S UNIVERSITY ONLINE: Physical Science - Class 2: Physics 2 - Light, Lasers, and Free Space Optics

February 18, 2021
6:30pm - 8:00pm

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Abstract: Look! It’s a particle. It’s a wave. Actually, it is light behaving as both. In this lecture, Dr. Vargas will discuss the dual nature of light, and apply that knowledge to lasers, touching on how a laser works, and what makes laser light unique. Finally, we will discuss experimental applications of laser light in free space optics wireless communication.

This program will be available to watch live on Facebook Live, on YouTube, and on the OCPL website's People's U Livestream page Log into your Facebook or YouTube account during the program to leave a question for Dr. Vargas in the comments box. She will answer them during the live broadcast. Make a comment, or ask a question, and you will be entered in a drawing at the end of the livestream to win a Great Beards of Science Pint Glass from Uncommon Goods. Too bad there isn’t a Nobel Prize in facial hair.


INSTRUCTOR BIO: Stacey Kefalos Vargas is a professor at the Virginia Military Institute (VMI) in Lexington, Virginia. She received her B.S in physics from Wheeling College in 1988 and continued her education, earning a Masters and Ph.D. in physics from the University of Connecticut. She joined the faculty in the Department of Physics and Astronomy at VMI in 1996. She was the first woman in science and engineering at VMI to receive tenure and promotion to full professor. She is the recipient of a VMI Distinguish Teaching Award and the Thomas Jefferson Teaching Award. In addition to teaching a variety of physics courses, she performs research in laser spectroscopy, free space optics and visible light communication. She has published many articles and received several grants to fund her research. She has collaborated with companies pursuing novel wireless communication technologies. In 2017, she won the Innovation in Higher Education award from the Shenandoah Valley Technology Council for her novel research using ultra-short-pulse lasers in free space optics communication. She is passionate about her teaching and her research. She resides in Lexington, Virginia with her husband and their five children.


ABOUT THIS PEOPLE'S UNIVERSITY SERIES: "Physical Science, The Joy of Discovery"

The Ohio County Public Library in Wheeling will offer the 31st entry in its People's University series as a 6-class online, livestream presentation. "Physical Science, The Joy of Discovery" will take attendees on a journey through the philosophical and intellectual development of science as a method of accurately weighing evidence, eliminating bias, finding facts, and acquiring knowledge. 

The opening classes in the series will explore, in part, the following themes: Science is not political; Science is not magical; Science is not faith or belief; science is not based on feelings; it's not a conspiracy and has no hidden agenda. Science is the earnest pursuit of what is true in terms of the best available, logically generated evidence. Science recognizes that it’s OK to be wrong and to learn from it. 

Later classes in the series will explore the history and fundamental building blocks of the pillars of physical science: chemistry and physics. Attendees will learn about what matter and energy are and what laws they obey. Additional classes will explore specific applications of chemistry, namely laser technology as well as combating multi-drug resistant bacteria through drug discovery.

Classes for People’s University LIVESTREAM—"Physical Science, the Joy of Discovery," will meet on Thursday evenings at 6:30 pm, January 14 through February 18. All programs are free and open to the public. Patrons may attend as many classes as they wish. There are no tests or other requirements. For more info about the People’s University LIVESTREAM—"Physical Science, the Joy of Discovery," email [email protected], visit the OCPL's website, or call 304-232-0244.


- People's University Online-
Thursdays from 6:30 pm to 8 pm on YouTube Live and Facebook Live

Subscribe to the People's University Youtube channel or like us on the People's University Facebook page or to receive notifications of our upcoming People's U broadcasts. To receive emails about our upcoming programs, visit our News page, click the "Subscribe" button to sign-up for our news blasts or download our free OCPL Connect app from your smartphone's app store. 

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People's University logoABOUT THE OCPL'S PEOPLE'S UNIVERSITY SERIES:

In 1951, the Ohio County Public Library's librarian, Virginia Ebeling, referenced British historian Thomas Carlyle, who said, “the public library is a People’s University,” when she initiated a new adult education program with that name. Miss Ebeling charged the library with the responsibility of reaching “as many people in the community as possible.” In keeping with that tradition of public libraries as sanctuaries of free learning for all people, the Ohio County Public Library revived the series in 2010. The People’s University features courses (taught by experts in each subject) that enable patrons to pursue their goal of lifelong learning in classic subjects such as history, music appreciation, philosophy, and literature. Patrons may attend as many classes as they wish. There are no tests of other requirements and all programs are free and open to the public.


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