[ 1 ] [ 2 ] [ 3 ] # All Articles Index

• How to make infographics with your word processor: A step-by-step guide 2015 ed.

• The Story of Euclid

• The Origins of The Theory of the Hollow Earth

• The curious infinite of Jorge Luis Borges

• The subterranean world of Edmund Halley

• The fourth dimension as seen from *Flatland *

• Bernard Fontenelle's obsession with life on the Moon

• About how A. T. Schofield found the fourth dimension in the Bible

• The strange extraterrestrial worlds of Camille Flammarion

• The coordinates of the fourth dimension

• What do you know about the hollow Earth and the hollow Moon?

• What do you know about the fear of comets?

• Three unexpected behaviors of the infinite

• What do you know about the paradox of the Great Silence?

• What do you know about the pyramid inside the Moon?

• What do you know about the first burial on the Moon?

• What do you know about the Moon Trees?

• What are conformal mappings?

• Where does infinity begin?

• Is it really possible to generate a plane by moving a straight line perpendicular to itself?

• The Eddington’s number: a case of scientific arrogance?

• Some myths about the infinite

• Some myths about the infinite, part 2

• The *Book of Sand* of Borges and the Continuum of Cantor

• Historical quotations about prime numbers

• How to use the transcomplex numbers calculator

• A short history of the Cartesian coordinates

• Can there be different fourth dimensions?

• Quaternions and transcomplex numbers

• The imaginary numbers are not so imaginary and the complex numbers are not so complex