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Search Results for “Archimedes”

By Phil Todd
Tangent Triangle
We show the areas of the triangle formed by joining 3 points on a parabola, and that formed by the tangents to the parabola at those points.

Tags: parabola, Archimedes

By Phil Todd
supertrammel
Archimedes Trammel has 2 sliders and 1 degree of freedom.  This ”supertrammel” has 3 sliders and still has 1 degree of freedom.  We made one out of wood and enjoyed playing with it. You can play with this electronic reproduction.

Tags: trammel, cycloid

By Phil Todd
Inverted Trammel
Archimedes trammel draws an ellipse if you fix the base and move the handle. What happens if you fix the handle and move the base? Drag point D to find out. See the curve.

Tags: trammel, ellipse

By Phil Todd
Inverted Trammel 2
Archimedes trammel draws an ellipse if used properly. Turning the trammel upside down gives a curve which is certainly not an ellipse.

Tags: Trammel-2


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