
Historical and factual series celebrating pivotal moments in history.
Union Cavalry soldiers defeat the much larger Confederate Cavalry at the Battle of Mine Creek in Kansas.
Confederate raid on Vermont; Union coal-miners tunnel under a Southern fort in order to blow it up; Confederate plot to burn down New York City.
A new look at the turning points reveals the technology and little-known facts of the Civil War.
The past, present and future of insulation technology.
It was a science first conjured amid the fiery ovens of ancient blacksmiths; today more than 50% of all U.S. products require some form of welding.
Earthmoving equipment story spans simple spades to powerful steam shovels; meet legendary giants John Deere, Jerome Case, and Caterpillar founders who forged America's construction industry, plus specialized trucks and space equipment.
Construction of the California Department of Transportation Headquarters; design; excavation; skeleton; hurricane- and earthquake-proofing; structural systems.
Construction problems of mega-skyscrapers; exterior wall system; energy-conserving glass; safety issues; aesthetics.