78 results found for chemistry

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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 | 1532 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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00:07:00

Multi-Catalyst Systems

by Suzanne Opalka
Multi-Catalyst Systems
for 14-19 and upwards,
Postgraduate presentations | 14-19 and upwards | 15 years ago | 2112 views
Rating:

Many products you use everyday are the direct result of synthetic innovation in organic chemistry. The McQuade group is interested designing catalysts to aid in more efficient synthetic transformations. n We are especially interested in the effect of....

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00:26:00

Nano-technology and life

by Harry Kroto
Nano-technology and life
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1936 views
Rating:

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00:29:00

Nanotechnology

by Various Presenters
Nanotechnology
for 14-19 and upwards,
Discussions | 14-19 and upwards | 15 years ago | 1722 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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00:06:00

Nanotechnology: Use and misuse

by Harry Kroto
Nanotechnology: Use and misuse
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 3542 views
Rating:

Sir Harry Kroto won the Nobel Prize for discovering the soccer-ball-shaped fullerenes, strangely-structured carbon molecules also known as buckyballs. These molecules led to the development of carbon nanotubes and the burgeoning field of nanoscience.....

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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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00:08:00

Organometallic uranium chemistry: small molecule activation

by Jessica Higgins
Organometallic uranium chemistry: small molecule activation
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 4427 views
Rating:

Jess gives a lively account of her work which involves the study of how uranium organ-metallics can catalyse unusual and useful reactions.  She is a PhD student at the University of Sussex, UK.

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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 | 15 years ago | 2696 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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00:56:00

Richard Ernst

by Richard Ernst
Richard Ernst
for 14-19 and upwards,
Interviews | 14-19 and upwards | 15 years ago | 1719 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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00:07:00

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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00:06:00

Seeing green

by Roger Tsien
Seeing green
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 2137 views
Rating:

The 2008 Nobel Prize in chemistry was awarded to Roger Tsien and colleagues for work on the green fluorescent protein (GFP). This protein, originally found in jellyfish, enables scientists to track the activity of individual proteins within living ce....

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00:06:00

Silicon-Based Life

by Bart Pratt
Silicon-Based Life
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 9 years ago | 3918 views
Rating:

This short piece asks some intriguing questions.

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