Companion site to the four-part series on looking at America through inventors. Focuses on inventors from the early days of the country to modern day. From Robert Fulton and Samuel Colt, to Ted Turner and Russell Simmons, this site explores people who took a chance and changed the country.

Find information about the life and work of Willis Carrier, the inventor of the air conditioner, at this PBS site devoted to the role of technology in society. Site visitors can locate Carrier on a timeline, along with other technological innovators, and view and explore diverse lists of inventors keyed to individual states. Drilling into the site brings up teacher resources and a unique "Innovators Tournament," learning game.

Discover how the Supersoaker water gun was invented, and learn how an engineer uses physics and math to design other types of machines.

This site is a complete resource for learning about Edison's life, his inventions, and electricity. If you like experimenting, there are instructions included for how to make your own light bulb. Good photos.

The Market Revolution of the early nineteenth century changed the way Americans worked and did business. In this video, Kim discusses the inventions that brought new productivity and forms of work to American business - the Industrial Revolution. [11:30]

Khan Academy learning modules include a Community space where users can ask questions and seek help from community members. Educators should consult with their Technology administrators to determine the use of Khan Academy learning modules in their classroom. Please review materials from external sites before sharing with students.

Find out about the event and societal needs lead to the invention of superconductors.

Abby Brown, KIDS Clubhouse Adventures co-host, loves to help kids have fun while learning! In this segment, Abby teaches kids about a few famous inventors, including Karl Benz, Thomas Edison, and Lizzie Maggie. [2:05]