Sacagawea was a woman who traveled with her husband who was traveling with Lewis and Clark. She reserved as a translator because she was a Shoshone Indian . Louis was chosen by Thomas Jefferson to leave. Lewis chose William Clark to help . They were to report back on the plants animals and other natural features. Zebulon Pike explored the Southern Louisiana territory
Transistors. The onset of the Information Age can be associated with the development of transistor technology. The concept of a field-effect transistor was first theorized by Julius Edgar Lilienfeld in 1925.