Search History Explorer



History Explorer Results (27)
Related Books (4)
Results Per Page
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
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
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
Motorola produced this BPR 2000 model pager around 1982. Prior to the widespread availability of inexpensive cell phones many people carried telephone pagers to stay in contact with work or home. A miniature radio receiver, a pager alerted the user that someone needed to talk to them and provided
Grade Range:
9-12
Resource Type(s):
Interactives & Media, Lessons & Activities
Date Posted:
6/19/2015
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
Grade Range:
6-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
5/23/2014
This robot was constructed in 1987 by Dr. Kenneth Kinzler and his colleagues at the Johns Hopkins Oncology Center's Molecular Genetics Lab run by Dr. Bert Vogelstein. It was used to conduct PCR in research on the p53 gene, which is linked to 50 percent of human cancers. Polymerase chain reaction,
Grade Range:
6-12
Resource Type(s):
Reference Materials
Date Posted:
6/30/2013
This online exhibition uses objects to tell the stories of disabled Americans from the 1800s to the present. The exhibition covers many aspects of life, including home, schools, and institutions, as well as how changes in technology and medicine have impacted the disabled. In addition to the exhi
Grade Range:
5-12
Resource Type(s):
Reference Materials
Date Posted:
5/25/2012
This online exhibition explore the role of the portable printing press in conveying information during the Civil War. The ability to communicate quickly in wartime can profoundly affect military actions and outcomes. The invention of portable tabletop printing presses at the time of the American
Grade Range:
5-12
Resource Type(s):
Primary Sources, Lessons & Activities, Worksheets
Date Posted:
1/22/2011
In this set of classroom activities developed for the exhibition America on the Move, students will use visual, analytical, and interpretive skills to examine primary sources including historical maps to answer questions about farming, transportation, immigration, and racism in
Grade Range:
5-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
12/22/2010
The Colt Model 1860 army revolver was manufactured from 1860 through 1873. The total production consisted of more than 200,000. The six-shot, .44-caliber revolver was the primary handgun used by Union troops during the Civil War because of its reliability.
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
9/17/2010
"I want to talk for a few minutes with the people of the United States about banking." So began on March 12, 1933, the first of about thirty informal "Fireside Chat" addresses that President Franklin D. Roosevelt would deliver over the radio. His ability to communicate over this new medium direct
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
5/6/2010
This sign was purchased by a North Beach second-hand shop from a proprietor in the neighboring Chinatown district of San Francisco. It is said to date from between 1890 and 1910. If that is so, the sign’s survival is quite miraculous: The 1906 earthquake in April of that year caused much damage
Results Per Page

Filter Resources By: