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History Explorer Results (114)
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Grade Range:
12-
Resource Type(s):
Reference Materials, Interactives & Media
Date Posted:
3/9/2016
Through innovative ideas and inventions, computer pioneers transformed the ways people worked, played, and communicated in the 1900s. In this video series, learn about 6 pioneers in computing. 
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
2/1/2017
In 1776 Thomas Jefferson wrote the Declaration of Independence on this portable desk of his own design. It features a hinged writing board and a locking drawer for papers, pens, and inkwell. By the summer of 1776 members of the Second Continental Congress prepared to declare thei
Grade Range:
K-12
Resource Type(s):
Lessons & Activities
Date Posted:
8/2/2016
Grab Bag Inventing is an activity that allows participants to try playful inventing and helps them recognize their own creative abilities. Participants work together in small groups to design inventions using common materials. 
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:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
In 1851 Isaac Merritt Singer formed the I.M. Singer & Company (later the Singer Sewing Machine Company) after inventing his own sewing machine to remedy a flaw he noticed with traditional models. This Singer 24 chain stitch sewing machine was manufactured in 1910, and used in t
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/7/2016
Invention rarely stops when the inventor introduces a new device. Thomas A. Edison and his team worked to improve his electric lighting system for some years after the initial introduction in 1880. This lamp shows the changes made after six years of labor aimed at lowering costs and increasing pr
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
3/28/2016
Before 1954, so-called portable radio receivers used vacuum tubes to receive and amplify signals. The large batteries needed to power most tubes made radios large and heavy. Receivers built with subminiature tubes existed but were expensive. The invention of transistors in 1947 allowed engineers
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:
8-12
Resource Type(s):
Interactives & Media
Date Posted:
3/1/2016
How do you bring an innovation to market? Explore four historic case studies to learn how real entrepreneurs moved from an initial idea to a final product.
Grade Range:
6-12
Resource Type(s):
Interactives & Media
Duration:
14 minutes
Date Posted:
12/16/2013
Joseph Henry was one of America's preeminent 19th-century scientists, a pioneer in the investigation of electromagnetism and other fields of study, and the first Secretary of the Smithsonian Institution. This video shows how Henry's research found practical application in
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