28 results found for Colin Byfleet

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00:33:00

Communication on Earth, using Cables and Satellites

by Colin Byfleet
Communication on Earth, using Cables and Satellites
for 11-14 and upwards,
Lectures | 11-14 and upwards | 11 years ago | 1222 views
Rating:

A brief look at the Physics behind sending signals along cables and via geostationary satellites. An experiment to measure the speed of an electrical pulse in a cable is described and the Physics of the orbits of communcations satellites is develope....

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00:25:00

Logarithms

by Colin Byfleet
Logarithms
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1475 views
Rating:

'The amazing Mr Briggs' or 'Where do Logarithms come from?'

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00:10:00

Simple and Compound Interest

by Colin Byfleet
Simple and Compound Interest
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 12 years ago | 2821 views
Rating:

Be wary of high interest rates! An introduction to how loans grow.

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00:15:00

Percentages

by Colin Byfleet
Percentages
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 12 years ago | 1478 views
Rating:

Making life easy when using percentages. A sometimes fraught topic looked at differently.

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00:16:00

Fractions 3

by Colin Byfleet
Fractions 3
for 11-14 and upwards,
Lectures | 11-14 and upwards | 12 years ago | 1400 views
Rating:

Mutiplying and dividing fractions: a systematic approach to this perennial problem.

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00:21:00

Fractions 1

by Colin Byfleet
Fractions 1
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 1771 views
Rating:

How can we represent fractions in the simplest way?   Equivalence of decimal and common fractions.

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00:12:00

Fractions 2

by Colin Byfleet
Fractions 2
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 1434 views
Rating:

An approach to adding and subtracting fractions, using an understanding of the processes involved.

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00:11:00

All numbers are not equal

by Colin Byfleet
All numbers are not equal
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 1516 views
Rating:

An introduction to the various types of numbers which are recognised as important.

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00:07:00

Square Roots 1

by Colin Byfleet
Square Roots 1
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 12 years ago | 3693 views
Rating:

A pen and pencil method of extracting square roots

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00:05:00

Square Roots 2

by Colin Byfleet
Square Roots 2
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 12 years ago | 4585 views
Rating:

A better way to extract square roots, with rapid convergence

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00:13:00

Estimation – Educated Guesswork?

by Colin Byfleet
Estimation – Educated Guesswork?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 1357 views
Rating:

How can we make sensible estimates of very large numbers? It is often very important to know the size of an unknown number, at least to within a factor of ten.

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00:11:00

Crater Formation in Sand

by Colin Byfleet
Crater Formation in Sand
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 12 years ago | 3079 views
Rating:

A description and demonstration of the way in which craters formed by dropping objects into sand can be linked to some elementary physics

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