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Senior Staff Scientist Thomas Humphrey invents a simple experiment to see if the Giant Mirror is spherical or parabolic, and then to see if it's perfectly spherical. By placing a Styrofoam ball at the center of curvature, he's able to prove that the mirror is out of pure sphericity by about one-quarter of one degree.
Project: Reflections | Browse All
Date: September 7, 2009
Format: Demonstration / Activity
Category: Everyday Science
Subject(s): General Science, Physics
Dr. Laura Peticolas is a physicist at UC Berkeley's Space Physics Research group. She studies the Aurora to learn more about the Earth and the workings of our Solar System. She's currently working with NASA's Mars data to understand why the Martian aurora looks the way it does. In this podcast she discusses her research, her inspiration and how and why scientists sonify data.
Project: Exploratorium Audio Salon | Browse All
Date: September 3, 2009
Category: Popular Science
Subject(s): physics, astronomy