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Cosmic Rays: Heavens, it's Raining Particles!

presented by Dr. Helio Takai

7:30 PM Thursday, September 29, 2016
Ross School Tennis Center
20 Goodfriend Dr, East Hampton, NY 11937


The Universe is a very lively place. Stars are born and later collapse under their own weight, becoming supernovas and ejecting particles into space with tremendous energy. The particles, commonly known as “cosmic rays,” were discovered in 1921 by Victor Hess. Ever since their discovery, cosmic rays have been of great scientific interest. While we know much about them, many mysteries remain. For example, what happens when cosmic rays hit our atmosphere? How do they impact our lives? We know they can interfere with electronic devices. Do they have any role in forming clouds or inducing lightning?

Dr. Takai, a physicist at Brookhaven National Laboratory, will present an illustrated overview of cosmic rays, along with a Cloud Chamber demo, and discuss the reasons they are exciting. He will also talk about an eight-year experiment he conducted at local high schools with results that show that cosmic rays can tell us about our atmosphere's seasonal and daily changes.

Cost: FREE, but donations to help support our programs are appreciated ($10 min. suggested)

The lecture will take place in the basement lecture hall of the Tennis Center at the Ross School, 20 Goodfriend Drive, East Hampton, NY 11937.

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