Curated OER
Smithsonian Education: Spotlight Biography Inventors
This entry is part of the Smithsonian Institution's website. It features biographical sketches of 10 American inventors, from Benjamin Franklin to the Wright brothers. The site includes graphics and links to related websites both within...
National Academy of Engineering
Greatest Achievements: Airplane
This page provides an overview of the history behind one of the greatest engineering innovations of all time:the airplane. There is also a timeline showing its development.
Siteseen
Siteseen: American Historama: Us Early Aviation History
A comprehensive overview with detailed facts about early aviation, aviators, and the airline industry.
A&E Television
History.com: How Did Baseball's Seventh Inning Stretch Originate?
The American tradition might date to President William Howard Taft in 1910, but it could have started in 1869. The seventh-inning stretch, when fans rise from their seats for a brief break after the top of that inning is complete, is as...