Seesaw pump

This exhibit is not accessible during the winter months.
Using leverage and teamwork, you can move the hose here with your body weight so that water is pumped out of the pond into the catch basin. Who has to teeter first?

11831 1
thema-Links

Function and construction

Mechanics

Play

Technology and design

dokument-Links
11831 Wipp Pumpe DEFI

Wipp Pumpe (11831)

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11374 Haupt

"Delta Phi"

Optical phenomenon: caustics. The surface of this object resembles that of moving water. Illuminated from above, it reflects incoming light rays in various…

10442 Haupt

A Table with loose Legs

Three, two, one – stable. How many supports do we need to stabilize a tabletop? Without screws, without glue, of course. Sharp-minded (and experimental)…

11634 Haupt

Air cushion

Inventive talent is called for here! Use scissors and tape to build objects out of paper that float on the wide air cushion. While testing and optimising, you…

10030 Haupt

Aurora

A different kind of reflection. Colored filters in a mirror: why don’t we simply see their exact image? The surface of the mirror is rough. Restless,…

11364 1

Ball sorting machine

Here, "touching wood" is taken literally. Pierre Andrès has not designed his creations to be looked at, but rather to be shifted and manipulated, leveraged and…

10037 Haupt

Banana

If you place a blue filter exactly on the yellow banana, the banana appears green - logical, isn't it? A larger blue filter that also covers the white…

10034 Haupt

Beam Bridge

The simplest form, but not the most stable. This bridge demonstrates the forces acting on a straight beam when it is loaded and supported only at its two…

10032 Haupt

Bridge the Gap

Building bridges is not so easy - especially when you are not allowed to use nails, screws or glue! Here you only have nine identical wooden blocks at your…

11090 Haupt I

Cartesian Diver

Sinks / Doesn’t Sink Sometimes called a “Cartesian diver,” this hollow body is partially filled with water and air. Depending on the pressure in the liquid,…

10054 Haupt

Chaotic Pendulum

Momentum and Joint A long, light pendulum connected to a small but heavy pendulum. A push on the knob sets the entire system in motion. The effect on the…

10055 detail

Chaotic Pendulum II

Momentum and Reversal Three smaller pendulums attached to a large rotating arm. A push on the knob sets the entire system in motion. The effect on the three…

11559 Haupt

Circular Deformations

Patterns come to life. Ovals form around stationary circles. Funnels emerge, cones rise. Curved lines perform a serpentine dance. Images that, when observed…

10231 Haupt

Circular Deformations

Geometric shapes come to life. What we think we see in the shapes of spinning discs! Ovals wrapping around stationary circles. Cones wobbling in a…

10125 Haupt

Color Contrast

How blue blue can be. Two color squares, one lighter, one darker. Are we sure? As different as we perceive them, they actually share the same color. We…

10428 Phänomen

Dancing iron particles

«Dancing Trees» 81 electromagnets are covered with fine iron dust. The electromagnets can be controlled either via a sensor surface or via prepared programmes…

11029 Haupt

Deep Walls

Shadows in motion - moving silhouettes. On a large projection surface, divided into 16 fields, shadow images move towards and away from each other. Each…

11812 Haupt

Delayed Viewing

Acting and seeing with a time delay. Catching fish with a fishing line: normally, it’s simple enough, as the magnet on the line is easy to guide. But it gets…

11765 Detail

Dialog in the Vase

Vase with two faces. At some point, the image flips: first, it’s a vase. It rotates. Wait! There are two faces. Two people talking to each other. Two…

11855 Haupt

Digital puppet theatre

Connect the various motors, switches and plugs together and make all the figures dance to your will.

11477 Haupt

Distorted Room (Ames Room)

Little one grows tall. An absolutely ordinary room, at least when viewed through the peephole. But wait, the little brother grows taller than the big sister…

11695 1

Electric circuit

What conducts electricity and what does not? What is an electrical circuit? With small, individual electrical components, you can build simple circuits…

11982 Detail

Electromagnetic puppet theatre

Electricity moves magnets. Three stations each contain four coils whose frequency and phase shift can be adjusted. Figures with magnetic legs can be placed on…

10116 Detail

Escher’s endless Staircase

Ascending downwards. Luckily, this infinite staircase doesn’t exist in our world. It leads upwards endlessly, without ever reaching a top. Similarly, its path…

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Farbenwechsel - Damen

Hidden Images Each toilet cubicle is alternately illuminated with pure red, yellow, and blue light. Images on the walls become visible only under a specific…