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Demonstrations 81  100 of 961
UPC Bar Code
Power Voting Systems Like the United Nations Security Council
Learn the Korean Alphabet
Vertex and Edge Truncations of the Platonic Solids
Elevator System
Ice Cube Melting in Water
Ten Year Calendar
Polyhedra, Spheres, and Cylinders
Buying Watermelons Intelligently
I Changed My Tires; Was I Too Speedy?
The Golden Ratio in Arrangements of Octahedron, Cube, Tetrahedron, and Sphere
Sphere Rolling on Rails
Solar Energy Yield for Three Mounting Systems
Multipurpose Tool
Planetary Gear Train
Rolling Cycloidal Curves
Driven Spherical Pendulum
The Sum of Opposite Angles of a Quadrilateral in a Circle is 180 Degrees
Bell's Theorem
Projection of Earth on Polyhedra
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