Anamorphic Images: Cone
On a flat surface the images are distorted beyond recognition – a peculiar visual code requiring a special key. Slip the square sheets over the reflective…
Anamorphic Images: Cylinder
On a flat surface, the images are distorted beyond recognition - a special visual code needs a special key. Put the square panels over the reflective cylinder:…
Angled Mirrors
Many polygons. Two mirrors positioned around an axis at various angles: a simple way to create shapes with many sides (polygons). At certain angles,…
Christmas Balls
Round shapes, angular gaps. The spheres are indeed round, despite the triangular gaps between them. Can this really be? If a sphere is missing in the…
Colour Corner
Set two mirrors at 62°, cap them with a third, and mount a lightbox at their apex. This kaleidoscopic art piece is another Caspar Schwabe creation: “2%…
Cube to Infinity
This cube is as big as a garden hut, mirrored inside, with its corners cut out so kids can crawl in and tall people can see what’s happening inside. What’s…
Cubes cubed
Pull on the cord to create a translucent cube. Keep on pulling to make it grow. Inside the kaleidoscope, it expands backwards as well as forwards so it grows…
Hinged Kaleidoscope
Slowly close the hinged door, and count the number of regular polygons traced by the red cord: triangle, square, pentagon, hexagon,... Just before the door…
Kaleidoscope Experiments 1 to 6
Oversized toy or mathematical puzzle? Six kaleidoscopes invite experimentation and reward with crystalline 3-D images. Each kaleidoscope is equipped with a…
Mega-Kaleidoscope
Duck down and step into the man-sized kaleidoscope: three huge mirrors set in a triangle. Ask a friend to look through the spy-hole, to see you at the centre…
Mirror cubes
Create different figures with coloured wooden blocks and on a mirror surface. What does the built cube world look like mirrored several times?
Mirror Writing 1
Handedness of letters: Most letters of the Roman alphabet are asymmetrical both horizontally and vertically. But C, D and E look the same upside down, though…
Mirror Writing 2
Use the magnetic letters to create words and sentences that can also be read normally in the mirror. You can also slide the boards under the mirror - in doing…
Plato’s Playground
by Don Doak A reflection of the reflection of the reflection... - makes a kaleidoscope! The three mirrors in this tube are arranged in such a way that a…
Polytakis
by Caspar Schwabe Created by Zurich mathematician/artist Caspar Schwabe, Polytakis is designed to provoke kaleidoscope aficionados and quizzical visitors…
Rotating Mirrors
No mysteries with the flat 180° mirror: rotate it and your image stays straight in front of you. The two mirrors joined at a 90° corner give you the…
Anti-Gravity Mirror
Learn how to fly with this neat mirror trick. A reflection of your right side can appear to be your left side. Try this activity and you'll appear to perform…
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