The art of folding maps
A map folded like a paper airplane.Alamy Stock PhotoIf we multiply the sides of the DIN A0 sheet, the origin ...
Tag: Carlo Frabetti
The art of folding paper
The golden rectangle and the familiar DIN A4 sheet of paper, mentioned last week, share the property of easily self-replicating. ...
The art of folding paper
The golden rectangle and the familiar DIN A4 sheet of paper, mentioned last week, share the property of easily self-replicating. ...
Sacred polygons and cursed stars
As we saw last week, the centers of circles of radii 1, 2, and 3 tangent to each other are ...
Sacred polygons and cursed stars
As we saw last week, the centers of circles of radii 1, 2, and 3 tangent to each other are ...
Descartes vs Fermat: the combat of the 17th century
The three circles of radii 1, 2 and 3 tangent to each other contemplated last week will have their centers ...
Descartes vs Fermat: the combat of the 17th century
The three circles of radii 1, 2 and 3 tangent to each other contemplated last week will have their centers ...
The precise kiss
The coordinates of any point (P) of a circle whose center coincides with the point of intersection of the axes ...
Descartes' fly
Regarding the Steiner ellipses, seen last week, Salva Fuster comments: “The triangle whose vertices are the midpoints of the segments ...
Doing sleight of hand with numbers
In these days of torrijas and intelligent equations, as the poet Diego Medrano would say, it is necessary to remember ...
