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Demonstrations 1  20 of 171
Ruler and Compass Construction of a Square with Doubled Area
Buffon's Needle Experiment for Three Types of Grids
Colorcoded Country Comparison
Euclid 1.47 Animated
Graphical Solution of a Quadratic Equation Using the Arithmetic and Geometric Mean
Graphical Solution of a Quadratic Equation Using a Result from Optics
Power Voting Systems Like the United Nations Security Council
Polyhedra, Spheres, and Cylinders
Sphere Rolling on Rails
The Sum of Opposite Angles of a Quadrilateral in a Circle is 180 Degrees
Bell's Theorem
Rømer's Measurement of the Speed of Light
Equidistance and Betweenness in Euclidean Plane Geometry
Archimedean Solids
Platonic Solids
OilDrop Experiment
Detailed Analysis of Rutherford Scattering of Alpha Particles
World Energy: Electricity, Oil, and Gas
Calculating the Earth's Circumference at Any Date from Any Location
Solve the Loculus of Archimedes
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