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Science & Technology
American Experience: The Telephone"The Telephone," is the story of an invention that forever changed the way the world interacts. From the earliest, most primitive instruments to the first coast-to-coast call, Academy Award-nominated producers Karen Goodman and Kirk Simon detail the wiring of America.
The Hydrogen AgeShot on locations around the globe, "The Hydrogen Age" focuses on recent advances in renewable energy systems, hydrogen technologies and fuels cells. The video provides an introduction to the possibilities of hydrogen but provocatively avoids the technical and economic challenges of developing hydrogen fuel cell technology.
NOVA: Welcome to Mars"Welcome to Mars" follows the Mars rovers Spirit and Opportunity from the second they crash-land on the planet to many months into their ongoing mission. Davis covered the story from NASA's Jet Propulsion Laboratory as it unfolded and provided a unique, behind-the-scenes take on this voyage of discovery, whose primary goal is to find evidence that liquid water once existed on Mars.
NOVA: The Mysterious Life Of CavesDeep in the heart of the Guadalupe Mountains in southern New Mexico, rock-eating microbes are at work. But their appetite is dainty compared to their voracious hunger millions of years ago, when they carved some of the most impressive caves in the world. "Mysterious Life of Caves" reports on a revolutionary theory of cave formation that has startling implications for the development of life on Earth and on other planets.
NOVA: Einstein's Big IdeaBased on David Bodanis's bestselling book E = mc2: A Biography of the World's Most Famous Equation, the program explores the lives of the men and women who helped develop the concepts behind each term in the equation: E for energy; m for mass; c for the speed of light; and 2 for "squared," the multiplication of one number by itself.