Although the origins of three-dimensional printing date back to the mid 19th century, and the first patent application for rapid prototyping technology was filed by Dr.
In the context of naval warfare, H.L. Hunley changed the world. Its builders' innovative use of materials, design and manufacturing techniques resulted in the world's first successful attack submarine.
The United States Electric Illuminating Company of Charleston started up South Carolina's first central station for incandescent lighting in October 1882 -- only one month after Thomas Edison opened his famous Pearl Street plant in New York City. In the following years, the company's parent firm was a major force in the growing electrical industry.
Built with a single set of tracks consisting of hardwood rails and wooden ties, and using wooden trestles to carry it over low-lying areas, the 136-mile Charleston-Hamburg Railroad was one of the longest railroads in the world when it was completed in 1833. It also became the first railroad in the United States to be powered entirely by steam, the first to carry mail under contract, and the first to provide regularly scheduled passenger service.