Stations-ID: A004

Instructions:

Light streams into the camera through a little opening in the door. Observe the projection on the screen. How does the image change, when the size of the opening is changed or a lense is placed in front of it? Enter the Camera and close the door. How long does it take before you can see something?

• Open and shut the aperture in the door slowely. What happens?
• How does the image change when you use the different pinholes?
• Open the door and examine the premises, then shut the door and examine the projection. is it mirrored or flipped?

The word camera comes from the latin phrase camera obscura, meaning “dark room”. The principle of the pinhole camera was known in Antiquity and was described exhaustively in the 10th centurz by Abu Ali al-Hasan ibn al-Haitham (956-1039/1040), latinized as Alhazen. The Arab mathematician rejected the then-prevelant idea of a beam of vision, which could explain reflection-based phenomena, but not what was observed in the camera obscura. 

Stations-ID: A002

Instructions:

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.

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Stations-ID: A008

Instruction:

Two people stand in the opposite corner of the room. The others watch from outside the house. Which of the two people inside the house seem taller?
• Examine the shape of the room. What angles and surfaces can you see?
• Which of the two people is standing closer to you? Which one looks bigger?
This construction is based on the work of the American optician Adelbert Ames who probably built on Hermann Helmholtz’s ideas. This optical illusion finds a very practical use in the film industry; In the ‘Lord of the Rings’ films, the scenes involving hobbits and humans where shot in trapeze-shaped, distorted sets to create the illusion of difference in size.

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Stations-ID: A007

Instructions:

On this bike, you too can become a tightrope artist.

• How heavy do you think the balancing arm is? How long is it?
• Where is the centre of gravity of a normal bike?
• Where is it on the tightrope bike?

Sadly, the tightrope bike is out of service in the winter. Since the steel rope contracts in low temperatures, it is necessary to slacken it come nightly frost. 

Stations-ID: A003

Instruction:

Place your ear on one end of the spiral and speak into the other end slowly and
clearly.
• Use short words, say them loudly.
• How much time do you recon passes between speaking and hearing?
• How long do you think the listening spiral is?
Small male frogs that can’t find a mate because their vocal sacs are too small,
have a better chance of being heard when the temperature is lower; Because
cold air has better sound transmission, their calls are heard better.

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Stations-ID: A006

Instructions:

A round track – But is the chair driving on it in it’s initial position after one round?

• How many rails is the track made up of?

• In what position would you arrive after one round, if the chair could not turn?

The stainless steel construction has a different angle in every segment, which could not be calculated before the build. Therefore, a wooden model had to be built to scale to discern the correct measurements required.

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Stations-ID: A011

Instructions:

Take place opposite of each other and speak towards the wall.

• Can you understand your partner better when he is facing towards you while speaking or when he whispers sideways, towards the wall?

• While speaking loudly, move towards the centre of the whispershell. What do you hear? What do the others hear?

One person takes position in the centre and tries to either speak to the others or listen to their conversation.

• Standing in the middle, say a few words. How does your voice sound to you? How does it sound to the others?
• Do you have an idea as to why the dome is open at the top?

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Stations-ID: A001

?? Work in Progress. English Translation coming soon!

Stations-ID: D037

Stations-ID: D091

?? English instruction:

Two people sit across from each other in the carousel, tossing a ball back and forth between them.

The rest of the group sets the carousel in motion. Try tossing the ball back and forth again.

• Where does the ball fly when the carousel is turning?

• Where does the ball fly if the carousel is turning in the opposite direction?

• Which flight path would an observer see, looking at the carousel from the top?

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Stations-ID: D060

Stations-ID: D093

?? English instruction:

How do little people feel in the big world?

• How big do you think a three year old child is?
• How big would someone have to be for this furniture to be normal sized?
• How do you feel sitting at the big table?

„Your grown up, when you butt is bigger than your head.“

Emilia, 6 years old

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Stations-ID: D061

Stations-ID: D036

?? English instruction:

A long, heavy pendulum is set in motion. Stay a while, calmly observing the patterns it creates.

• Observe the movements of the pendulum, how do they change over time?

• How long does it take until the pendulum rests once more?

• Which basic shape can you recognize in the patterns in the sand?

In 1851, the French physicist Jean Bernard Léon Foucault (1819-1868) proved that the earth rotates using a pendulum of 67m length. In 1997, Imaginata repeated the experiment in the then-gutted ‘Uni-tower’ in Jena, earning a mention in the Guiness book of records. Today, the pendulum draws it’s patterns on the Imaginata’s own premises.

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