Browsing 140 - 150 results of 343 programs for subject - General Science
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