28 results found for Colin Byfleet

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Diffuse Interstellar Bands - the future 00:02:00

C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 5

by Colin Byfleet
C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 5
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 3263 views
Rating:

It seems likely that C60+ will act as a stable site for a wide variety of adducts and that these entities will contribute to the Diffuse Interstellar Bands.  John Maier's group in Basel is looking for species like C60(Fe)+.

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Neon Matrix 00:03:00

C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 4

by Colin Byfleet
C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 4
for 14-19 and upwards,
Lectures | 14-19 and upwards | 3 years ago | 2854 views
Rating:

The early (mid 1990s) work on the electronic spectroscopy was carried out by John Maier's group, trapping C60+ in a neon matrix in this apparatus.

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C60+ apparatus 2 00:02:00

C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 3

by Colin Byfleet
C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 3
for 14-19 and upwards,
Lectures | 14-19 and upwards | 3 years ago | 2762 views
Rating:

John Maier's team at the University of Basel solved the riddle of C60+ in 2015.  In this brief view Colin Byfleet looks at the unique apparatus used in John's work.

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Centripetal force 00:06:00

Centripetal force – how do we measure it?

by Colin Byfleet
Centripetal force – how do we measure it?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 6662 views
Rating:

A short video showing a simple classroom method of checking the way in which this force is related to mass, speed and radius.

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Centripetal exp 00:14:00

Going round in circles – how do we do it?

by Colin Byfleet
Going round in circles – how do we do it?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 1110 views
Rating:

A presentation showing both the ideas about centripetal force and a simple classroom method of checking the way in which this force is related to mass, speed and radius.

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Speed of Electricity 00:05:00

Measuring the speed of pulses

by Colin Byfleet
Measuring the speed of pulses
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 1493 views
Rating:

A short clip showing the experimental measurement of the speed of electrical pulses in a cable - a large fraction of the speed of light.

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Speed of Sound i 00:09:00

Measuring the speed of sound

by Colin Byfleet
Measuring the speed of sound
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 9855 views
Rating:

A presentation showing how to measure the speed of sound over a short distance on a laboratory table.

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Speed of Sound 00:04:00

Measuring the speed of sound – experimental details

by Colin Byfleet
Measuring the speed of sound – experimental details
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 10 years ago | 6668 views
Rating:

A short clip showing the measurement of the speed of sound over short distances.

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chem formula 00:26:00

Constructing Chemical Formulas

by Colin Byfleet
Constructing Chemical Formulas
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 13989 views
Rating:

An introduction to constructing and recognising chemical formulas. Using 20 well-known elements, the valency-rules which govern the atomic ratios are explained and used with several examples.

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Chemical Equations 00:33:00

Chemical Equations – and how we construct them

by Colin Byfleet
Chemical Equations – and how we construct them
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 1241 views
Rating:

An introduction into the writing down of fully balanced chemical equations. The process is explained starting with word equations, finding all the relevant formulas and then working with some useful rules for finding the correct coefficients in the b....

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Oxidation numbers 00:37:00

Oxidation Numbers and Equations

by Colin Byfleet
Oxidation Numbers and Equations
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 10 years ago | 1683 views
Rating:

The concept of oxidation and reduction is explained and generalised using oxidation numbers with ionic and covalent examples. Several equations are balanced, using the oxidation number method to fix various atomic ratios.

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Space Probes 00:25:00

Communication with Space Probes and beyond

by Colin Byfleet
Communication with Space Probes and beyond
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 3965 views
Rating:

The main problems associated with communicating with distant space probes like Voyager 1 are investigated. The role played by diffraction in limiting the amount of power receivable on Earth is discussed. The further problems of reaching a nearby st....

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