🇬🇧 English instruction:
Can you stand straight? Check yourself and the others, in what angle are you standing to the floor?
- Position the moveable wooden channel straightly. You can check if you’re right by placing a marble on it.
- The pendulum points straight down after being taken out of it’s holder.
- Using a wooden marble, give a guess as to which one of the boxes the tip of the pendulum will point at.
- Where does the marble have to start to be able to traverse the whole marble track?
Not only in Jena can you find leaning houses. A timbred house in Ulm dating from the 14th century is advertized as the most crooked hotel in the world. The Oberhafenkantine in Hamburg, the old fulling mill in Wernigenrode and the ‘leaning houses’ in Idstein and Großbottwar are also clearly out of balance.