As COVID-19 deaths spiked in 2020, Suzanne Firstenberg’s public art installation "In America: How could this happen…"
History Explorer Results (119)
Related Books (4)
Grade Range:
K-12
Resource Type(s):
Artifacts
Date Posted:
4/4/2016
Most incandescent lamps were designed for general use in homes and businesses. However, some required special features for use in particular locations. Westinghouse engineers designed this so-called mill lamp for use in factories and other areas subject to high levels of vibration. An intricate i
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
Motorola produced the DynaTAC cell phone in 1984 after more than a decade of work in cellular research and technology. The Motorola DynaTAC (an abbreviation of Dynamic Adaptive Total Area Coverage) was the first commercially available portable handheld cell phone. The phone was a 9-inches tall, w
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
Grade Range:
5-12
Resource Type(s):
Reference Materials
Date Posted:
9/4/2013
Between the years 1790 and 1880 the U.S. Patent Office required both documentation and a three-dimensional working model to demonstrate each new invention submitted for a patent. The models helped to explain proposed innovations and compare them against similar inventions. In this online exhibiti
Grade Range:
1-6
Resource Type(s):
Interactives & Media, Lessons & Activities
Duration:
20 minutes
Date Posted:
9/4/2012
Believe it or not, some plants can grow without soil. This type of gardening is called hydroponics. Here's how you can get started growing green. This activity from Spark!Lab includes step-by-step directions, discussion questions, and ideas for extending your learning. Spark!Lab activities
Grade Range:
1-6
Resource Type(s):
Lessons & Activities
Duration:
15 minutes
Date Posted:
9/4/2012
DNA is inside the cells of every living thing, including you. This experiment lets you see the long, twisting molecules of DNA inside cells. This activity from Spark!Lab includes step-by-step directions, a worksheet for documenting the experiment, discussion questions, and ideas for extending you
Grade Range:
3-6
Resource Type(s):
Lessons & Activities
Duration:
25 minutes
Date Posted:
9/4/2012
Thomas Edison changed our world with electric lights and an entire system that produced and delivered electrical power. Try your hand at making your own light bulb. This activity from Spark!Lab includes step-by-step directions, a printable chart to record the experiment, and discussion questions.
