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3D-printed holder for magnetic spheres built with OpenSCAD

by ao2, August 13, 2018
in

When I built the low-cost and precise rotary encoder with magnetic spheres I used 21 spheres because they fitted nicely in the other parts of the build I had around.

However, if an arbitrary number of spheres is to be used then an appropriate holder must be built.

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Fun with flexagons, and SVG

by ao2, January 31, 2018
in

If you don't know Vihart and her "Hexaflexagon series", go check it out:

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Seasonal plots, with gnuplot

by ao2, March 19, 2015
in

Sometimes there is the need to plot some events which have a periodic trend.

Let's consider a seasonal phenomenon; a typical plot may not fully highlight the regularity of the periodic behavior:

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JMP-rope, the theory and the software

by ao2, April 16, 2014
in

The mathematical model behind the JMP-rope, as for any rotating POV system, is the polar coordinate system.

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Halloween?

by ao2, October 31, 2011
in

Inspired and adapted from a math joke:

Why do computer scientists always confuse Halloween and Christmas?
Because 31 Oct = 25 Dec.

Computer Scientists Halloween demotivational poster
Attached files: 
image/svg+xml iconComputer Scientists Halloween demotivational poster source doc
image/svg+xml iconTemplate for demotivational posters
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