58 results found for physical

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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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00:31:00

Resistivity – A New Look

by Ralph Dougherty
Resistivity – A New Look
for 22 and upwards,
Lectures | 22 and upwards | 16 years ago | 1456 views
Rating:

The importance of electron orbital angular momentum in the processes that contribute to resistivity.

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00:10:00

Secret Science – Invisible Ink

by Steve Acquah
Secret Science – Invisible Ink
for 11-14 and upwards,
Lectures | 11-14 and upwards | 16 years ago | 1840 views
Rating:

An introduction to acids and bases using simple kitchen equipment and some 'invisible ink'.

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00:29:00

ACS Richard Smalley Eulogy

by Harry Kroto
ACS Richard Smalley Eulogy
for All ages,
Lectures | All ages | 16 years ago | 2540 views
Rating:

A moving address by Harry to the ACS meeting in San Francisco about his colleague and fellow Nobel Prize winner, Richard Smalley.

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00:09:00

Motion at Interfaces

by Prajnaparamita Dhar
Motion at Interfaces
for 14-19 and upwards,
Postgraduate presentations | 14-19 and upwards | 16 years ago | 1531 views
Rating:

This talk is aimed primarily at young children and expresses my enthusiasm and my love for science. Its an attempt at expressing that Science is fun. I talk about some of the experiments done as part of my graduate work. Strategies for achieving guid....

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01:07:00

Systems Chemistry: How can reactions shape the macroscopic world?

by Oliver Steinbock
Systems Chemistry: How can reactions shape the macroscopic world?
for 22 and upwards,
Lectures | 22 and upwards | 16 years ago | 1623 views
Rating:

Abstract: 21st century chemistry is slowly expanding its concepts into the realm of supermolecular phenomena. However, few tools exist for explaining, creating and controlling complex macroscopic structures and dynamics. In this talk, I discuss our....

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00:09:00

Swelling and Doping of Polyelectrolyte Multilayers and Application

by Claudiu B Bucur
Swelling and Doping of Polyelectrolyte Multilayers and Application
for 22 and upwards,
Lectures | 22 and upwards | 16 years ago | 1921 views
Rating:

Thin polymer films are doped with electrolytes to produce novel effects.

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