"This black t-shirt, which says “Silence = Death” with a pink triangle, symbolizes the struggle against AIDS.
History Explorer Results (41)
Related Books (1)

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2009
Samuel F. B. Morse (1791-1872), an artist and inventor of the telegraph, was in Paris in 1839 sharing the scientific and celebrity stage with Daguerre. The two inventors shared notes on their inventions and Morse returned to the US with a camera, perhaps the first camera in the United States...

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
3/10/2009
A popular portrait method of photography from the 1839 announcement of its invention to about 1860, the Daguerreotype was a unique photograph with no negative—each photograph was exposed on a copper plate coated with silver-nitrate. This half-length Daguerreotype portrait of Louis Jacques Mand

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/6/2008
During World War I, machine guns were heavy, crew-served weapons. Their operation required several soldiers. Even so-called light machine guns could not easily be handled by single soldiers. To meet the need for an individual rapid-fire weapon, several inventors devised submachine guns. Light eno

Grade Range:
K-12
Resource Type(s):
Reviewed Websites
Date Posted:
9/11/2008
This website, from the Library of Congress, was designed especially with young people in mind, but there are great stories and information for people of all ages. Through the use of short essays, biographies, interactive games and activities, students can explore every era of American histo

Grade Range:
4-8
Resource Type(s):
Reference Materials, Lessons & Activities, Worksheets
Date Posted:
9/9/2008
This manual, included in the online exhibition Invention at Play, from the Lemelson Center, will provide an array of activities, resources, and approaches that will underscore the role of play in the inventive spirit in all of us. Through play we develop certain "habits of

Grade Range:
K-4
Resource Type(s):
Reference Materials, Lessons & Activities, Worksheets
Date Posted:
9/9/2008
This booklet, connected to the Invention at Play online exhibition from the Lemelson Center, highlights inventors who started out as great players and who recall a strong link between their play and inventing. It encourages adults to create an enriching play/inventing environme

Grade Range:
3-12
Resource Type(s):
Reference Materials
Date Posted:
8/8/2008
This online exhibition highlights artifacts from the Smithsonian's sports collection, and will introduce students to the pioneering men and women who dominated their sports; championed their country, race, or sex; and helped others to achieve. Both on and off the playing field, these undaunted in

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
7/31/2008
Abraham Lincoln's interest in canal building, river commerce, and internal improvements not only drew him to the Whig and later Republican Party, but also led him to try his hand at designing a device for raising boats off sand bars. Undertaken while he was a 40-year-old lawyer in Illinois, Linco

Grade Range:
9-12
Resource Type(s):
Reference Materials
Date Posted:
7/7/2008
Students can learn about the history of experimentation and innovation in the design of steam-powered, internal-combustion, electric, and solar-powered automobiles. This reference page is included in the online exhibition entitled America on the Move, which focuses on transportation in U

Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
7/20/2012
In this post, students will read a short biography of Samuel Morse, inventor of the telegraph. Even in his day, he was a controversial figure, but today he is remembered for his creativity—an artist who became interested in a novel technology and helped lay the foundation for a revolution in co