Mathematical models: from sundials to number engines - for iPad/Mac/PC

A short introduction to this album.

Transcript -- A short introduction to this album.

An ancient mathematical tool to measure the daily and annual cycles of the earth around the sun.

Transcript -- An ancient mathematical tool to measure the daily and annual cycles of the earth around the sun.

How the Greeks invented a two dimensional astrolabe as a conceptual model of the cosmos, and how it was used.

Transcript -- How the Greeks invented a two dimensional astrolabe as a conceptual model of the cosmos, and how it was used.

Clay tokens, an ancient system used to record goods changing hands.

Transcript -- Clay tokens, an ancient system used to record goods changing hands.

How South American Incas kept records by the use of knots.

Transcript -- How South American Incas kept records by the use of knots.

How wholesale beer sales were recorded using notches on wooden tallies.

Transcript -- How wholesale beer sales were recorded using notches on wooden tallies.

John Napier's method of multiplication and logarithms, and how Charles Babbage corrected his calculations.

Transcript -- John Napier's method of multiplication and logarithms, and how Charles Babbage corrected his calculations.

Charles Babbage's ingenious mechanical device to compute mathematical equations.

Transcript -- Charles Babbage's ingenious mechanical device to compute mathematical equations.

Mathematical models: from sundials to number engines - for iPad/Mac/PC: Recent Episodes