Summary: What happens when astronomers send a fragile telescopic mirror to the edge of space-not aboard a rocket or satellite, but dangling from a huge balloon? This documentary provides the answers in a riveting story of cutting-edge physics, subfreezing launch sites, disastrous balloon trajectories, and scientists who refuse to give up. Dr. Mark Devlin of the University of Pennsylvania, Dr. Barth...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2010
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Summary: Often envisioned as tiny packets of energy, light must also be studied in terms of its kinetic properties. This program explores aspects of light using both wave and particle models, emphasizing that neither one fully explains all known electromagnetic phenomena. With helpful diagrams and real-world examples, the film illustrates three principal kinds of optical behavior-straight line...
Format: software, multimedia
Publisher / Publication Date: Films Media Group 2009