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History Explorer Results (106)
Related Books (6)
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Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
This Sony "Walkman" portable tape player dates from the early 1980s. Originally introduced in 1979 as the “Soundabout,” two people could listen simultaneously while a small microphone permitted them to converse without removing their headsets. Powered by a 9-volt battery, the recorder sold we
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):
Interactives & Media, Worksheets
Duration:
14 minutes
Date Posted:
3/28/2013
In this episode of History Explorer, curators Bart Hacker and Margaret Vining discuss the roles that women have played in the military throughout history, their research, and the 2013 announcement of a policy to allow women in combat.  The resource set includes a teacher guide, student works
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
6/19/2012
While training for combat on the fields of Yale University in 1917, Private J. Robert Conroy found a brindle puppy with a short tail. He named him Stubby, and soon the dog became the mascot of the 102nd Infantry, 26th Yankee Division. He learned the bugle calls, the drills, and even a modified do
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:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
5/3/2012
This apparatus was designed by Catherine Stern, a physicist by training and the founder of a Montessori school in her native Germany. Stern and her husband were of Jewish descent, and emigrated to New York City in 1938 to avoid persecution by the Nazis. There she developed these materials, descri
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
1/24/2011
Enlisted soldier's uniform. The brown, doughy color of the uniform led to these soldiers being referred to as "doughboys," though the exact derivation of the nickname has been debated.
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
1/24/2011
Model 1910 first-aid pouch designed to be worn on the soldier's utility belt.
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
1/24/2011
Filipinos fighting the United State Army resorted to making their own firearms. This handmade gun harkens back to the earliest of firearms, the hand cannon. The gun was muzzle-loaded and the charge was set off by applying fire to a touchhole in the side of the barrel.
Grade Range:
K-12
Resource Type(s):
Artifacts, Primary Sources
Date Posted:
1/24/2011
When displayed in a home, business, or church, the flag indicates that one member of the family or other group is actively serving in the armed forces. A blue star indicates a member currently serving, while a gold star indicates a member killed while serving.
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