Gravity

F101



Fridays

10:00 - 11:30 am

Online

7/17, 7/24, 7/31, 8/7, 8/14, 8/21

Six Sessions










This course will be offered online via the free, easy-to-use Zoom program.

Place two tennis balls a meter apart in outer space and let them go. Spontaneously, they will move closer and closer together, finally touching each other after about five days. Why do they do this? How does one ball even know the other one is there? Newton said each ball exerts a pulling force. Einstein said each ball “dilates time” in its vicinity. This course tells the story of gravity, with special focus on the theory that has withstood every test for the past hundred years: Einstein’s general theory of relativity. Along the way, we will encounter Descartes’ vortices, gravitational waves, and the puzzle of dark matter. 

Suggested Reading: Einstein Relatively Simple: Our Universe in Everyday Language by Ira Mark Egdall.  [World Scientific, 2014]


Bill Wootters is a retired professor of physics at Williams College, with a PhD from the University of Texas at Austin. Most of his research has been in quantum information theory and the foundations of quantum mechanics. In the spring of 2019 he taught an OLLI course, “The Speed of Light.”

Recommended Viewing for Friday 7/17: https://youtu.be/MbucRPiL92Q

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OLLI: the Osher Lifelong Learning Institute at Berkshire Community College
Partners in education with Williams College, Bard College at Simon's Rock and the Massachusetts College of Liberal Arts

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