Uploaded June 2017 | Updated September 2026, 1 week ago
demonstrations.wolfram.com/DissectionOfASphericalSquareIntoASphericalLune
The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily.
This Demonstration shows a dissection of a spherical square into a spherical lune.
Contributed by: Izidor Hafner
Audio created with WolframTones:
tones.wolfram.com
demonstrations.wolfram.com/DissectionOfASphericalSquareIntoASphericalLune
The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily.
This Demonstration shows a dissection of a spherical square into a spherical lune.
Contributed by: Izidor Hafner
Audio created with WolframTones:
tones.wolfram.com






. The contributions from ?=...
Contributed by: Brad Klee
Audio created with WolframTones:
http://tones.wolfram.com Multipole Expansions of Electric Fields](https://i.ytimg.com/vi/DiuERmCNxuA/mqdefault.jpg)


![Roulette (Hypotrochogon) of a Polygon Rolling inside Another Polygon
http://demonstrations.wolfram.com/RouletteHypotrochogonOfAPolygonRollingInsideAnotherPolygon
The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily.
A hypotrochogon is the trace (roulette) of a point attached to a regular polygon rolling without slipping inside another regular polygon [1]. The hypotrochogon can be curtate if the tracing point is inside the rolling polygon, or prolate if it is outsid...
Contributed by: Erik Mahieu
Audio created with WolframTones:
http://tones.wolfram.com Roulette (Hypotrochogon) of a Polygon Rolling inside Another Polygon](https://i.ytimg.com/vi/EKbcdYe4S9Y/mqdefault.jpg)
