
▷ 12 sec video
Light & vision
Hidden Image
Look at a specially prepared LCD through a polarizing viewer and compare the picture revealed by the filter.
Catalogue rendering · Catalogue image sequence
Continue browsing related product references and open the existing detail page for each configuration.
RELATED PRODUCT REFERENCES
These references include related STEM learning exhibits and special installations. Compare the activity and supplied configuration for your own project.
313–336 of 360 exhibits
Product references · Labelled videos where available
▷ 12 sec video
Light & vision
Look at a specially prepared LCD through a polarizing viewer and compare the picture revealed by the filter.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
A prism bends different wavelengths by different amounts. Rotate the prism and observe the spectrum.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
Adjust a series of mirrors to redirect a light beam and guide it toward the receiver in the display.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
Sound is converted into light signals and carried through an optical fiber. Listen when the optical path is connected.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
Rotating optical elements guide a beam toward an upper target. Guide the beam to the target to trigger the lights.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
Illumination warms the dark and light faces of the vanes differently. Watch the vanes respond to illumination.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Air & water
Connected containers show how changes in height affect liquid flow. Compare the flow at different heights.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
Tracing a star while watching its reflection challenges hand-eye coordination. Try again and compare your control.
Catalogue rendering · Catalogue image sequence

▷ 18 sec 3D preview
Sound & vibration
Move a hand across different light beams to trigger musical notes and create a sequence without physical strings.
Catalogue rendering · Related 3D design · Different configuration

▷ 12 sec video
Electricity & magnetism
A strong electric field near sharp electrode tips can ionize the air. Observe the discharge as the gap changes.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Forces & motion
An adjustable rotating assembly changes the distance of the masses from the axis. Change the opening and compare the speed.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Electricity & magnetism
Turn a handwheel to charge sharp points and observe the enclosed wheel respond to the resulting electrostatic wind.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Electricity & magnetism
Small balls acquire charge from a metal tray and are repelled from it. Observe their repeated rise and fall.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Electricity & magnetism
A small suspended ball moves between two charged electrodes. Follow its motion from one side to the other.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Air & water
A rotating vessel changes the shape of its liquid surface. Compare the shape at different rotation speeds.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Air & water
Connected measuring tubes reveal pressure differences within a flowing system. Compare the levels at each measuring point.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Electricity & magnetism
A magnetic field deflects an electron beam inside the demonstration tube. Observe how the glowing trace changes.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Air & water
Removing air from joined hemispheres creates a pressure difference. Compare the different test pieces.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
A partly reflecting mirror combines a screen image with a physical scene. Compare the image with the physical scene.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
Specially shaped models look different when seen directly and in a mirror. Compare the models with their reflections.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Forces & motion
Gently turn a box containing a spinning flywheel and observe its response as the direction of rotation changes.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Forces & motion
A force gauge and display compare force with acceleration for different weights. Repeat with another weight and compare.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Forces & motion
A force-sensing model displays the interaction between two bodies. Push the handle and compare the response.
Catalogue rendering · Catalogue image sequence

▷ 12 sec video
Light & vision
Flashing light samples the position of a rotating pattern. Compare the apparent motion of the pattern.
Catalogue rendering · Catalogue image sequence
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