July 18, 2008 • 15m
Hipparchus explains how two numbers can describe the position of a point on a sphere. He then explains stereographic projection: ...Read more
July 25, 2008 • 15m
M. C. Escher tells the adventures of two-dimensional creatures who are trying to imagine three-dimensional objects.
August 1, 2008 • 15m
Mathematician Ludwig Schläfli talks to us about objects in the fourth dimension and shows us a procession of regular polyhedra in ...Read more
August 8, 2008 • 15m
Mathematician Ludwig Schläfli talks to us about objects in the fourth dimension and shows us a procession of regular polyhedra in ...Read more
August 15, 2008 • 15m
Mathematician Adrien Douady explains complex numbers. The square root of negative numbers is explained in simple terms. Transformi...Read more
August 22, 2008 • 15m
Mathematician Adrien Douady explains complex numbers. The square root of negative numbers is explained in simple terms. Transformi...Read more
August 29, 2008 • 15m
The mathematician Heinz Hopf describes his "fibration". Using complex numbers he builds beautiful arrangements of circles in space.
September 5, 2008 • 15m
The mathematician Heinz Hopf describes his "fibration". Using complex numbers he builds beautiful arrangements of circles in space.
September 12, 2008 • 15m
Mathematician Bernhard Riemann explains the importance of proofs in mathematics. He proves a theorem on stereographic projection.