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

This is a set of eight "dropping sticks" used to teach acoustics. It was made in Paris by the famous scientific instrument maker Rudolph Koenig, sometime between 1858 and 1902. This particular set was used in the introductory physics class of the Worcester Polytechnic Institute. These s

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 models used to represent the movement of sound waves, including demonstrations of wave models by Kohl, Ricky, and Crova, as

In this episode of the History Explorer podcast, curator Hal Wallace talks about the development of the laser, an invention that has as many practical uses as portrayals in science fiction and fantasy.  In addition to audio, this resource includes related images and a teachers guid

Researchers from across the Smithsonian met online with teachers and students around the world for the Smithsonian Online Education Conference: Problem Solving with Smithsonian Experts in April 2010. Each presenter demonstrated how s/he addresses big questions in his/her field of experti

In this online exhibition, students will learn how fear of Soviet domination galvanized reform in science and math education during the 1950's and 60's. On October 4, 1957, the Soviet Union launched Sputnik, the first artificial satellite to orbit the earth. In order win the "Space Race", the Uni

America's worst accident at a civilian nuclear power plant occurred on March 28, 1979. This online exhibition provides information about the Three Mile Island nuclear power plant, the course of the accident there and the steps-extending over almost 15 years-through which the nature and extent of