Created by the United States National Aeronautics and Space Administration, StarChild is an online astronomy learning center for elementary and middle school students. Included are materials about the solar system, the...
This site comes from the Institut für Angewandte Physik at the University of Wien shows how the scanning tunneling microscope (STM) works. An animated drawing shows the parts of a microscope produce the image. The site ...
Pump gas molecules to a box and see what happens as you change the volume, add or remove heat, change gravity, and more. Measure the temperature and pressure, and discover how the properties of the gas vary in relation...
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