"This black t-shirt, which says “Silence = Death” with a pink triangle, symbolizes the struggle against AIDS.
History Explorer Results (2)
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Grade Range:
6-12
Resource Type(s):
Interactives & Media
Duration:
2 minutes
Date Posted:
3/23/2012
Meet Steven Turner, curator at the Smithsonian's National Museum of American History, as he discusses the Smithsonian's scientific instrument collection. This video focuses on the plate developed by the 18th century scientist Chladni whose instruments create visual representations of wave pattern
Grade Range:
6-12
Resource Type(s):
Interactives & Media
Duration:
4 minutes
Date Posted:
3/23/2012
Meet Steven Turner, curator at the Smithsonian's National Museum of American History, as he discusses the Smithsonian's scientific instrument collection. This video focuses on the history of acoustics during the 18th and 19th centuries, including demonstrations of wave models, tuning forks, siren
