step: step (interactive physics simulator) step: step: Step is an interactive physical simulator. step: It works like this: you place some bodies on the scene, add some step: forces such as gravity or springs, then click "Simulate" and Step step: shows you how your scene will evolve according to the laws of physics. step: With Step you can not only learn but feel how physics works ! step: step: For more information, visit: http://edu.kde.org/ step: step: