Some of dynamikum's experiments allow to upload pictures or video data to the internet. If you agreed to upload, you may find your shootings right here:
When you walk, the pressure on the floor is not even. The diagram shows
the force you use to press on the floor. The force increases when you put your foot down, because you are catching your body as it leans forwards. That is the first hill. The second hill is the phase when you push your foot off again, so the pressure on the floor is again higher. Look for the day and time of your visit to find your Video. It will be stored for three days.