Interactive experiments
Hermann Härtel describes in his Outline (in German) the overall concept and the interactive experiments. Below you find a number of experiments, related to satellites and spacecraft, in the form of videoclips (in German) which can be downloaded.
| Theme | Content/Aims | mpg |
| Free fall | To motivate the study of free fall | frfall.mpg [6.4 MB] |
| Drop tower | To stimulate a discussion on 'weightlessness' and 'absence of accelerations' | fallturmdt.mpg [12 MB] |
| Centripetal force | Video on centripetal and centrifugal forces | ballbecher.mpg [6.5 MB] |
| Frictionless motion | To show the relation between experiment (hovercraft) and simulation | luftkissen.mpg [7.2 MB] |
| Rising bubbles | Video shows inertia (Newton's first law) | blasen.mpg [6.4 MB] |
| Moving vehicle | Video shows inertia (Newton's first law) | auto.mpg [7.6 MB] |
| Aircraft in descending flight | Video shows inertia (Newton's first law) | flugzeug.mpg [6.9 MB] |
| Orientation of a satellite in space | Video to introduce the subject | satcamdt.mpg [10 MB] |
| Control of an electric train | Video | zugdt.mpg [22 MB] |
| Satellite trajectories in 3D and 2D | Geostationary satellite (and a question) | geo1dt.mpg [9 MB] |
| Satellite trajectories in 3D and 2D | Geostationary satellite with inclined orbit | geo2dt.mpg [10 MB] |
| Satellite trajectories in 3D and 2D | Circular orbit | kreisdt.mpg [9 MB] |
| Satellite trajectories in 3D and 2D | Polar orbit | polardt.mpg [8.8 MB] |
| Satellite trajectories in 3D and 2D | Molniya orbit (highly eccentric) | moldt.mpg [12 MB] |