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1981
1981x1
From Magna Carta to Microchip: Principles, Standards and Methods
Episode overview
Measurement enables us to express our observation of objects in precise terms by converting into numbers. Using these numbers, be they inches, feet or millimetres, it is possible to .. show full overview
1981x2
From Magna Carta to Microchip: The Measurement of Time
Episode overview
Time and its measurement has always preoccupied man. First he utilised natural time keepers: the rotation of the earth round the sun, giving the day and the year. But to divide the days .. show full overview
1981x3
From Magna Carta to Microchip: More and More About Less and Less
Episode overview
Today we can measure with such a high degree of precision that one might ask the question, ' Is there a limit to the smallness of things we can measure? '
1981x4
From Magna Carta to Microchip: Onwards to the Stars
Episode overview
The range of measurement now possible has enabled us to know not only the size of atoms only a few 100-millionths of a centimetre across, but also the distance of galaxies so far away .. show full overview
1981x5
From Magna Carta to Microchip: Measurement and Navigation in War
Episode overview
During World War II, scientists on both sides were much concerned with the difficult problem posed by accurate navigation. However, as with so many war-time inventions, the consequent .. show full overview
1981x6
From Magna Carta to Microchip: Some Impacts of Measurement on Life - And Can We Take it too Far?
Episode overview
In this lecture we shall look at two triumphs of modern technology which enable us to measure and to control mechanisms with a precision of better than one ten thousandth of a .. show full overview

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