78 results found for chemistry

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Iijima 00:59:00

Nanotubes: The Materials of the 21st Century

by Sumio Iijima
Nanotubes: The Materials of the 21st Century
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 675 views
Rating:

Carbon nanotubes, some 1000 times smaller than conventional carbon fibers, have tensile strengths 100x that of steel and conduct electricity like metals. They promise a revolution in structural and electrical engineering.

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Architects of 00:58:00

Architects of the Microcosmos

by Harry Kroto
Architects of the Microcosmos
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 901 views
Rating:

In thistalk Harry Kroto explains that molecules have structures that are every bit as real in the mind of the chemists who create them, as are the edifices of brick, steel and concrete designed by architects and built by engineers.

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Murrell states 1 00:29:00

States of Matter

by John Murrell
States of Matter
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 804 views
Rating:

John Murrell discusses the basic physical principles relating to the gaseous, liquid and solid states with the aid of models and demonstrations. Attention is drawn to phase changes and subtle features involving intermediate phases such as liquid crys....

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Rowland 1 00:42:00

Atmospheric Chemistry

by Sherwood Rowland
Atmospheric Chemistry
for 14-19 and upwards,
Interviews | 14-19 and upwards | 10 years ago | 1211 views
Rating:

In this interview Sherwood Rowland talks about Ozone depletion and the effect of CFCs on Ozone and Global Warming (Greenhouse Warming where infrared radiation is trapped). He explains the chemistry of Ozone depletion and the history of what led to th....

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CapturFiles_5 00:42:00

Climate change

by Sherwood Rowland
Climate change
for 14-19 and upwards,
Interviews | 14-19 and upwards | 10 years ago | 926 views
Rating:

This presentation gives Rowland's current (2006) opinion/impression of Global Warming. He says that the first legislated discussion that he remembers in the US senate on the Global Warming was in 1986 and the looming problem and whether governments s....

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Geoset screen-201211314_1511 00:29:00

Nanotechnology

by Various Presenters
Nanotechnology
for 14-19 and upwards,
Discussions | 14-19 and upwards | 10 years ago | 885 views
Rating:

What is nanotechnology? Will it change the world, as some have promised? What is all this about molecular machines in our blood? Let the Next Big Thing video on Nanotechnology explain all!

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Ernst 00:56:00

Richard Ernst

by Richard Ernst
Richard Ernst
for 14-19 and upwards,
Interviews | 14-19 and upwards | 10 years ago | 789 views
Rating:

Nuclear magnetic resonance (nmr), a powerful technique for determining molecular structure, has totally revolutionised chemistry. From its inception half a century ago, its potential as an analytical tool for identifying compounds was clear, albeit l....

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Gray 00:33:00

George Gray

by George Gray
George Gray
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1448 views
Rating:

George Gray has contributed fundamentally to the research and development of liquid crystal materials which comprise the Liquid Crystal Displays (LCD) that are so essential to today's information based society. He created and systematized the liquid ....

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Marcus 00:07:00

Rudolph A. Marcus

by Rudolph Marcus
Rudolph A. Marcus
for 14-19 and upwards,
Interviews | 14-19 and upwards | 10 years ago | 976 views
Rating:

Winner of the Nobel Prize in Chemistry 1992 'for his contributions to the theory of electron transfer reactions in chemical systems'. We ask Marcus to explain how he works and he replies that he draws pictures in order to visualize problems. On relig....

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Edwards-Stuart 00:14:00

The Molecular Gastronomer to the best restaurant in the World

by Rachel Edwards-Stuart
The Molecular Gastronomer to the best restaurant in the World
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 725 views
Rating:

Twenty three year old Rachel is a Cambridge trained biochemist who has been taken on by Heston Blumenthal, owner of the Fat Duck at Bray, to carry out research for her PhD into the molecular make up of flavours and how they can be applied to food in ....

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C60 00:54:00

C-60, the Celestial Sphere that Fell to Earth

by Harry Kroto
C-60, the Celestial Sphere that Fell to Earth
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 779 views
Rating:

In 1985 an experiment, designed to unravel the carbon chemistry in Red Giant Stars, revealed the existence of C-60 Buckminsterfullerene (the third allotropic form of carbon). The story of the discovery and the way its symmetry relates to the natural ....

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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 | 13746 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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