Season 1 (2008)

Dimension Two
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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

Dimension Three
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July 25, 2008 • 15m

M. C. Escher tells the adventures of two-dimensional creatures who are trying to imagine three-dimensional objects.

The fourth dimension (1)
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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

The fourth dimension (2)
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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

Complex Numbers (1)
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August 15, 2008 • 15m

Mathematician Adrien Douady explains complex numbers. The square root of negative numbers is explained in simple terms. Transformi...Read more

Complex Numbers (2)
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August 22, 2008 • 15m

Mathematician Adrien Douady explains complex numbers. The square root of negative numbers is explained in simple terms. Transformi...Read more

Fibration (1)
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August 29, 2008 • 15m

The mathematician Heinz Hopf describes his "fibration". Using complex numbers he builds beautiful arrangements of circles in space.

Fibration (2)
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September 5, 2008 • 15m

The mathematician Heinz Hopf describes his "fibration". Using complex numbers he builds beautiful arrangements of circles in space.

Proof
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September 12, 2008 • 15m

Mathematician Bernhard Riemann explains the importance of proofs in mathematics. He proves a theorem on stereographic projection.