Modern Marvels

Probably Thomas Edison's best known invention is the electric light. But the familiar light bulb is only the most obvious element of Edison's accomplishment. He also created from scratch a delivery system for his light.

The complete story of the feuds, the mistakes, the ingenuity and the successes that made movies possible--and kept Edison at the front of the inventor pack. Includes rare early films from the Edison Studios.

For over a century, the steel industry was a powerful symbol of the U.S.'s industrial might-and helped turn us into a country of visionary builders

From Sherlock Holmes' examination of physical evidence at a crime scene to today's DNA technology, we review the history of crime detection through the use of forensic science.

Viewer discretion is advised for those with vertigo!

Operating in the harsh environment of space, these eyes-in-the-sky remain the world's most precious cargo.