People have long sought better ways to illustrate and understand the structure and functions of the human body. Paper dolls and wax, papier-mache, and plaster anatomical models have all been used as tools to teach human anatomy. In the wake of the launch of the Sputnik satellite, designer Marcel
Alfred Vail made this key, believed to be from the first Baltimore-Washington telegraph line, as an improvement on Samuel Morse's original transmitter. Vail helped Morse develop a practical system for sending and receiving coded electrical signals over a wire, which was successfully demonstrated
The portability of cellular telephones provides users with the ability to make calls from almost anywhere and Motorola was built on portability. The company made car radios in the 1930s and portable radios called walkie-talkies for the U.S. military during World War Two, and played a major role i
One of two telephones used by Alexander Graham Bell in a demonstration that took place between Boston and Salem, Massachusetts on November 26, 1876. Critical features are the iron diaphragm (seen as a black circular disc mounted on the vertical wooden support), two electromagnets (seen in white,
Abraham Lincoln came to understand that to achieve a lasting peace, slavery must end. He had always opposed slavery, but had never sided with abolitionists who called for its immediate end. Lincoln had sought solutions that would make slavery gradually fade from white society—limit its location
Abraham Lincoln is typically portrayed as a gaunt, bearded man, both thoughtful and troubled. The story that goes along with this image is as familiar to Americans as any children’s fable. He was born in a log cabin. He became the 16th president. He freed the slaves and saved the Union. He was
The U.S.D.A. Forest Service introduced Woodsy Owl in 1971 as an anti-litter and anti-pollution symbol to promote wise use of the environment. The campaign, which continues today, is primarily aimed at school-age children and uses slogans such as “Give a Hoot! Don’t Pollute” and
This bus carried rural children to the Martinsburg, Indiana school in the 1940s. Busing enabled children to attend consolidated schools, which were larger than one-room schools and had better curricula, teachers, and facilities. All-steel school buses like this one were safer than earlier school
The National Park Service offers distance learning, field trips, and curriculum materials in addition to accredited professional development opportunities for teachers. Look here for opportunities to visit guest speakers, borrom nature kits, plan trips, and explore the American outdoors.
Japanese Americans reflect on their years spent in internment camps as children or young adults. They discuss the process of being forced from their homes, and their ability to make the prisons more livable despite oppressive conditions.