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History Explorer Results (111)
Related Books (20)
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Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
3/28/2016
John H. Irwin received patent number 35,158 on May 6, 1862, of this design of a coil oil lamp. Irwin’s lamp was designed for coal oils and other similar hydrocarbons (such as kerosene) which volatilized at low temperatures and required an excess of oxygen to support illumination. The excess of
Grade Range:
12-
Resource Type(s):
Reference Materials
Date Posted:
3/9/2016
Object Project examines how the interplay of people, innovative things, and social change have shaped life as we know it. 
Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
3/1/2016
How does American business affect you? How and why has it changed since the United States began? Come explore stories of business men and women who have changed the world. See hundreds of intriguing objects that illustrate transformations in society. Think about how Americans have mixed capitalis
Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
3/1/2016
How does American business affect you? How and why has it changed since the United States began? Come explore stories of business men and women who have changed the world. See hundreds of intriguing objects that illustrate transformations in society. Think about how Americans have mixed capitalis
Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
3/1/2016
How does American business affect you? How and why has it changed since the United States began? Come explore stories of business men and women who have changed the world. See hundreds of intriguing objects that illustrate transformations in society. Think about how Americans have mixed capitalis
Grade Range:
8-12
Resource Type(s):
Reference Materials
Date Posted:
3/1/2016
How does American business affect you? How and why has it changed since the United States began? Come explore stories of business men and women who have changed the world. See hundreds of intriguing objects that illustrate transformations in society. Think about how Americans have mixed capitalis
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:
K-12
Resource Type(s):
Reference Materials, Interactives & Media
Date Posted:
4/9/2014
Whether convenient, fast, organic, processed, gourmet, ethnic, or local—the foods available to Americans have never been more plentiful and diverse, or more ripe for discussion. Coupled with big changes in who does the cooking, where meals are consumed, and what we know (or think we know) about
Grade Range:
5-12
Resource Type(s):
Primary Sources
Date Posted:
4/4/2014
The story of America includes the history of those who have lived through extraordinary circumstances. One such person was Camilla Gottlieb, whose ordinary life in Vienna suddenly became endangered when the Germans invaded and annexed Austria in 1938. As a Jew, she confronted devastating cha
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
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