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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 | 15 years ago | 1391 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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00:58:00

Architects of the Microcosmos

by Harry Kroto
Architects of the Microcosmos
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1736 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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00:29:00

States of Matter

by John Murrell
States of Matter
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1764 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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01:00:00

Crystallographic electron microscopy

by Aaron Klug
Crystallographic electron microscopy
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 2413 views
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Born in Lithuania, Aaron Klug, Nobel Prize in Chemistry, 1982, tells us about his early life and education growing up in Durban, South Africa. He developed an early interest in physiology and anatomy but did not find his teacher very inspiring and ga....

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00:56:00

Richard Ernst

by Richard Ernst
Richard Ernst
for 14-19 and upwards,
Interviews | 14-19 and upwards | 15 years ago | 1718 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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00:35:00

Ram Rao

by Ram Rao
Ram Rao
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 2121 views
Rating:

Prof. C.N.R. Rao was born and brought up in Bangalore, India where he developed his interest in science. He studied for his Ph.D at Purdue University in the US but returned to India to continue his career. He has had numerous visiting positions abroa....

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00:07:00

Rudolph A. Marcus

by Rudolph Marcus
Rudolph A. Marcus
for 14-19 and upwards,
Interviews | 14-19 and upwards | 15 years ago | 1971 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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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 | 15 years ago | 1611 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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00:07:00

Fun growing new materials and exploring their properties and applications

by Mekhala Pati
Fun growing new materials and exploring their properties and applications
for 18-22 and upwards,
Postgraduate presentations | 18-22 and upwards | 15 years ago | 1468 views
Rating:

We have synthesized different alkali metal peroxychromates and K3NbO8 doped with K3CrO8crystals based on rare oxidation state of Chromium (V).We have studied their spectroscopic properties using EPR and pulsed EPR. Coherent spin manipulation on Cr+5 ....

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00:56:00

Chemistry and Astronomy: Unification of Sciences

by Takeshi Oka
Chemistry and Astronomy: Unification of Sciences
for 22 and upwards,
Lectures | 22 and upwards | 15 years ago | 1666 views
Rating:

Takeshi Oka, Professor of Astronomy at the University of Chicago and discoverer of H3(+), positively ionised molecule of three protons, talks about the ways in which the various aspects of science are are all interlocked. In particular he shows the ....

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00:52:00

Powering the Planet

by Dan Nocera
Powering the Planet
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1654 views
Rating:

Dan Nocera of MIT gives a review of the world's current power demand and projects it forward to 2030. By using readily available data he shows that providing the increase needed is remarkably difficult given the need to restrict the production of ca....

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00:02:00

A Revolution in Solar Energy Production

by Dan Nocera
A Revolution in Solar Energy Production
for All ages,
Lectures | All ages | 15 years ago | 1476 views
Rating:

Dan gives a brief introduction into his group's discovery of a new and efficient catalyst which could be of vital importance in our search for better ways of capturing solar energy.

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