3D-Shadows
Shadows gain depth. Illuminated with red and green light, a tetrahedron casts a red and a green shadow on the screen. Viewed through glasses with red and…
All Triangels are the same
Central projection: Using various triangular shapes to cast congruent shadows onto a patterned wall with equilateral triangles.
Changing Sides
A wire cube rotates in front of a mirror. If you squint one eye and fix a front corner of the wire cube, you see a certain direction of rotation. If you now…
Coloured Shadows
Three lights for shadows in six colors. Red. Green. Blue. Three lamps illuminate the white background. On it, we see six shadows of different colors: a…
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…
Digital Sundial
"Digital" sundial. It casts no shadow. Instead, it displays the time using illuminated numbers—without any electronics. A combination of aesthetics and…
Droplet Fountain
Wave patterns. A single drop falls. In the fountain, a wave pattern appears. How does it develop towards the edge? A strike on the button at the edge…
Half Shadow
Goethe’s shadow. White lamp on, red lamp on as well: the hand casts a red and a green shadow! We see colors that aren’t actually there. How can that be? The…
Human Pointer
The shadow shows Winterthur's local time. The scale on the ground indicates where to stand today. The shadow of the raised arm then shows the True Solar Time…
Light games
Can you stage your own shadow theatre with simple materials? The exciting lighting and the play with the coloured shadows really set the scene for your…
Light Island
Reflex – simply play with light. Direct light, mix light colors, experiment with the transparency of filters and materials, and explore refraction: freely…
Make the Invisible Visible
Convection made clear and observable. When water is heated, it expands. It becomes lighter and rises. In the less heated water, it creates swirls. The heat…
Pulfrich Phenomena
This pendulum circles. Through the optics, this pendulum swings in an elliptical path. With a gray filter in front of the other eye, its direction changes.…
Pulfrich Phenomenon
Simple trick, astonishing effect. An object is swinging. Observed with a dark filter in front of one eye: the swinging object now moves along a circular…
Real-Virtual, Virtual-Real
Image and/or reflection. In a bulging glass vessel illuminated from below, a small object hangs. Or are there two? The glass body behaves like a concave…
Shadow Box
Flash! Your shadow remains on the wall. Biip, biip, biip and flash: you can already see your figure on the wall, in the position you have chosen for this…
Shadow Casting Panel
Shadows are information. In the "shadow projection plate," the visual information (pixel values) of two different images is stored on a single medium. Each of…
Shadow Cloud
Where there is light, there is also shadow. Secrets are revealed – through shadows! A large, strangely shaped sphere, illuminated by a spotlight, casts a…
Shadow Fence
Sun Pixels. At first glance, just a metal plate with holes. But depending on its orientation, an image or message emerges. What these “sun pixels” display…
Shadow Pendulum
The shadow reveals. The light conceals. Sometimes, shadows make things visible – while brought into the light, these same things become invisible. “tik” and…
Shepherd’s Sundial
North? Not relevant. A simple sundial, like those used by shepherds for centuries. The advantage of this clock is that knowing the north direction is…
Sophisticated Shadows
Shadows: much more than just the absence of light. How many penumbras and umbras form when you stand in front of ten light sources? With a dark disk held in…
Spider Sundial
Swiss Timing with Swiss flag. The drawing on the ground looks like a spider’s web, but it accurately shows the time for each date of the year. The advantage…
Vibrating Pin Screen
Pulsating images. Almost a quarter-million swinging pendulums! Nails of varying lengths, suspended in a perforated board and set in motion. The oscillation…
Wire Mesh Sculpture
Movement illusion. With a poetic touch, this artwork depicts movement illusions that underlie film and television technology. The wire figures differ only…
CSI Technorama – forensics
Regardless of whether it is a burglary, an accident or a felony, crime scene investigations always begin with securing the evidence. Are there fingerprints?…
Acoustics
Aggregate states
Algorithms
Animals, plants, habitats
Atomic and quantum physics
Atomic structure
Automats
Biology
Buoyancy
Chaos
Characteristics of life
Chemical Reactions
Chemistry
Colors
Computer science
Cryptology
Currents
Data and information
Design elements
Earth sciences
Electricity
Electricity and energy
Electricity and magnetism
Elektromagnetismus