http://historyexplorer.si.edu/rss?key=resourcesSmithsonian's History Explorer Resources Related To "Build Your Own Speaker"http://historyexplorer.si.edu/resource/?key=5122http://historyexplorer.si.edu/resource/?key=5122<p>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, sirens, resonators, and the Chladni plate. This is the first video in a series of five.</p>Thu, 12 Jul 2012 17:32:39 GMThttp://historyexplorer.si.edu/resource/?key=3005http://historyexplorer.si.edu/resource/?key=3005<p align="left"><span>This webiste, from the Lemelson Center&rsquo;s Spark!Lab, uses fun activities to help kids and families learn about the history and process of invention. Students can play games, conduct science experiments, explore inventors&rsquo; notebooks, and even invent!&nbsp;</span>Spark!Lab, the newest hands on space for families and others visiting the National Museum of American History, shows the real story behind an inventor&rsquo;s work.</p> <p align="left">&nbsp;</p>Mon, 14 May 2012 12:41:09 GMT