
▷ 15 sec video
Mathematics & geometry
Coin Rotation Paradox Exhibit
Turn a handwheel and compare a coin model's spin with its travel around another circular model.
Catalogue rendering · Design-image sequence
Continue browsing catalogue designs and physical exhibit references. Open a product for its activity, available media and project details.
241–264 of 317 exhibits
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▷ 15 sec video
Mathematics & geometry
Turn a handwheel and compare a coin model's spin with its travel around another circular model.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Move and rotate a cube model through a light plane to compare its visible cross-sectional shapes.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Turn an area-comparison display and relate the region under a cycloid arch to its generating circle.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Turn a connected-container display to compare the volume of cone and cylinder models.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Place a cylindrical mirror on distorted pictures and watch recognizable images appear in reflection.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Roll a collection of coloured dice repeatedly and arrange the dice removed at each round into columns.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Arrange eight queen pieces on a chessboard so that none shares a row, column or diagonal with another.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Send a ring from one focal position across an elliptical table and compare its rebound with a target near the other focus.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Move a linked handle while two sliders follow perpendicular tracks and guide a point around an ellipse.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
A camera and screen compare an original face image with images constructed from its left and right halves.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Start a protected layered petal model and observe its changing appearance during the demonstration.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Present a formula card to the reader and explore the corresponding three-dimensional graphic on the screen.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Turn the crank and compare the rotation of a gear, a surrounding ring and their moving reference points.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Compare coloured geometric pieces and a transparent cube to explore how solid shapes can fit together.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Adjust a division point on a screen and compare your chosen proportions with a golden-ratio reference.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Compare routes between the same locations on a globe and a flat map using the supplied string guides.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Study a rising spiral surface represented by straight strings between its supports.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Adjust the indicated guide in a curved optical arrangement and compare the resulting path with the two focal reference positions.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Rotate an inclined straight rod and observe how it passes through curved slots in a transparent panel.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Turn a crank to follow points on small gears rolling inside a larger ring and compare the resulting paths.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Follow the surface of a bottle-shaped topology model and consider how a continuous surface can have unusual orientation.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Press linked buttons to change a group of lights and work out a sequence that reaches the target pattern.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Rotate a transparent cone model and compare the liquid boundary with the marked conic-section references.
Catalogue rendering · Design-image sequence

▷ 15 sec video
Mathematics & geometry
Set a suspended platform in motion and observe the pattern produced by combined motions in two directions.
Catalogue rendering · Design-image sequence
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