"This black t-shirt, which says “Silence = Death” with a pink triangle, symbolizes the struggle against AIDS.
History Explorer Results (17)
Related Books (2)

Grade Range:
5-12
Resource Type(s):
Reference Materials
Date Posted:
10/11/2009
Students will learn about Thomas Edison's life in the years after he had become one of the most famous men in the world. At the age of 40, with major inventions behind him, Edison faced a new technical world, which he had helped to create, and the challenge of competing with his ow

Grade Range:
5-12
Resource Type(s):
Reference Materials
Date Posted:
10/11/2009
Explore the process of invention and compare Thomas Edison's well-known work on the electric light bulb a century ago with several modern lighting inventions with this online activity. This resource looks at the process of innovation through a sequence of five steps: prec

Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
11/4/2008
This telegraph register, manufactured in accord with the Morse patent, was installed in 1848 in South Bend, reputedly the first telegraph office in Indiana. Stamped on the base is "j. Burritt & son ithaca." Pulses of electricity caused the two vertical electromagnets (on the right) to pull ag

Grade Range:
8-12
Resource Type(s):
Reference Materials
Duration:
5 minutes
Date Posted:
9/4/2013
In this post, readers will be introduced to our engineering collections via the architectural masterpiece Grand Central Station, which celebrated its 100th anniversary on February 2, 2013. Written by Goldman Sachs Fellow Allison Marsh, a researcher in the Division of Work and

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

Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
7/10/2012
In this post, students will discover the history of electric car technology over the course of the last century. In the early 20th century, motorists had a choice of electric, steam, or gasoline cars, and it wasn’t clear that any one type would dominate the market. Electricity was beginnin

Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
7/9/2012
In this post, students will learn about George Westinghouse, Sr. during his Civil War service, before he became a pioneer of the electrical industry. A transcript of the letter is availalbe for download. Written by Hal Wallace, Associate Curator of Electricity Collections, this post is publi