9 results found for physics

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01:03:00

Plastic fantastic: electronics for the 21st century

by Richard Friend
Plastic fantastic: electronics for the 21st century
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1482 views
Rating:

Plastics - or, more correctly, polymers have traditionally been used by the electronics industry as passive materials. Now however, new types of polymers have been discovered which behave as semiconductors. For example, they can emit light when subje....

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01:00:00

The mesoscopic world – from plastic bags to brain disease.

by Athene Donald
The mesoscopic world – from plastic bags to brain disease.
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1494 views
Rating:

Structures looking broadly the same in the optical microscope are found in starch granules within plants, in polythene bags and in sections of diseased brain tissue. Athene Donald explores structural similarities between different assemblies of polym....

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01:12:00

The quandary of the quark

by Christine Davies
The quandary of the quark
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1362 views
Rating:

99.9% of the visible material in the universe is made of quarks and yet we know surprisingly little about them. Professor Davies describes how the properties of the quark are now being revealed, and the implications that this will have for our unders....

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01:08:00

Optical science in the fast lane

by Wileon Sibbett
Optical science in the fast lane
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1455 views
Rating:

In this talk Wilson Sibbett introduces some of the underlying concepts that have enabled us to develop practical ultrafast lasers and a selection of applications that range from the fundamentals of chemical bonding to weapons decommissioning!

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00:56:00

Einstein’s legacy as scientist and icon

by Martin Rees
Einstein’s legacy as scientist and icon
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1290 views
Rating:

What might 'new Einsteins' achieve in the 21st century? Science offers more intellectual challenges than ever, but is a less individualistic enterprise. Technology offers imense opportunities, but poses threats and ethical dilemmas. Can scientists re....

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01:12:00

What is quantum non-locality?

by Sandu Popescu
What is quantum non-locality?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1549 views
Rating:

In his talk Sandu will explain this quantum non-locality and present some of the uses of non-locality for quantum information and communication - strange effects such as teleportation - and will discuss the implications of non-locality for understand....

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01:16:00

Every picture tells a story

by John Barrow
Every picture tells a story
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1373 views
Rating:

We will look at the role of pictures and images in the development of science. From the first graphs and illustrated books to Molscript, the influence of the first pictures of spiral galaxies on Van Gogh's 'Starry Night', to the artistic resonances o....

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01:03:00

Taming the Quanta

by Martin Plenio
Taming the Quanta
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1652 views
Rating:

Devices are now reaching the realm where individual structures are made up of only a few atoms so that quantum mechanics, the theory of the very small, is playing a crucial role. The inevitable quantum fluctuations produce noise which was initially e....

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01:01:00

The uses of infinity: a philosopher looks at emergent phenomena in physics

by Jeremy Butterfield
The uses of infinity: a philosopher looks at emergent phenomena in physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 14 years ago | 1041 views
Rating:

Emergence, and its contrary, reduction, are buzz-words in both physics and philosophy. Both physicists and philosophers disagree about the extent to which we can understand large-scale or complex phenomena in terms of their microscopic parts.

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