212 results found for physics

View Grid List
Sort A-Z By date
The World of Spintronics: Electrons, Spins, Computers and Telephones - Lindau-Nobel - Albert Fert - 2010 00:39:00

The World of Spintronics: Electrons, Spins, Computers and Telephones

by Albert Fert
The World of Spintronics: Electrons, Spins, Computers and Telephones
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 584 views
Rating:

Spintronics is a new field of research which exploits the influence of the electron spin on electronic transport. It is well known for the giant magnetoresistance of the magnetic multilayers and its application to increase the capacity of the hard d....

More details | Watch now
Miller 00:59:00

There Ain’t Nothing Nowhere

by David Miller
There Ain’t Nothing Nowhere
for 18-22 and upwards,
Discussions | 18-22 and upwards | 10 years ago | 794 views
Rating:

With his innate ability to explain the most abstract and complex concepts of modern physics in accessible terms David Miller convinces even the most sceptical that 'empty space' is teeming with a new cast of fundamental characters from virtual photon....

More details | Watch now
Hare windmills 00:03:00

Three Windmills

by Jonathan Hare
Three Windmills
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 918 views
Rating:

Converting wind power into electricity seems like an ideal way of helping to solve our energy problems. However, the power generated by a windmill is dependent on the wind speed. If the wind drops to half its speed there is as little as an 1/8th of t....

More details | Watch now
Role of - L-N - Glaset - P 2008 00:29:00

Towards a Quantum Laboratory on a Chip

by Theodor Hänsch
Towards a Quantum Laboratory on a Chip
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 574 views
Rating:

Microfabricated magnetic traps, waveguides, and other elements for the manipulation of ultracold atoms can be combined to form a quantum laboratory on a chip. Devices such as miniaturized atom lasers, atom interferometers, and atomic clocks have been....

More details | Watch now
travelling-waves-1 00:07:00

Travelling waves I

by Joe Wolfe
Travelling waves I
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1104 views
Rating:

In an extended medium, inertia and a restoring force can lead to waves, which reflect at boundaries, either erect or inverted.

More details | Watch now
travelling-waves-2 00:06:00

Travelling waves II

by Joe Wolfe
Travelling waves II
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1043 views
Rating:

The wave equation and its physical origin. Power in a wave and its relation to intensity in radiation.

More details | Watch now
Murrell temp vol 00:01:00

Volume Changes with Temperature

by John Murrell
Volume Changes with Temperature
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 695 views
Rating:

More details | Watch now
Kohn 00:50:00

Walter Kohn

by Walter Kohn
Walter Kohn
for 18-22 and upwards,
Interviews | 18-22 and upwards | 10 years ago | 1112 views
Rating:

Walter Kohn is a condensed matter theorist who has made seminal contributions to the understanding of the electronic structure of materials. He played the leading role in the development of density functional theory, which has revolutionized scientis....

More details | Watch now
Hare - Wave Power 00:05:00

Wave Power

by Jonathan Hare
Wave Power
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 1006 views
Rating:

The UK coast is constantly being bombarded by sea waves.  There is a massive amount of power available from these waves.  Jonathan describes three different ways of generating electrical power from water waves.

More details | Watch now
weight-and-contact-forces 00:10:00

Weight and contact forces

by Joe Wolfe
Weight and contact forces
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1169 views
Rating:

Carefully distinguish mass and weight. Hooke's law quantifies deformation. Contact forces have normal and frictional components.

More details | Watch now
What about re-defining time 00:33:00

What About Redefining Time Using a Stable Laser?

by John Hall
What About Redefining Time Using a Stable Laser?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 3 years ago | 609 views
Rating:

Several laser-based Atomic Clocks now have an accuracy potential of ~2 x10-18, a hundred-fold better than the best achieved after more than 60 years' experience with rf resonances in Cs atoms. Still, this long attention span documents that the Cs Fou....

More details | Watch now
What Can We Do with Laser Frequency Combs? Lindau Nobel Theodor Hansch 2013 00:34:00

What Can We Do with Laser Frequency Combs?

by Theodor Hänsch
What Can We Do with Laser Frequency Combs?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 790 views
Rating:

The spectrum of a frequency comb, commonly generated by a mode-locked femtosecond laser consists of several hundred thousand precisely evenly spaced spectral lines.  Such laser frequency combs have revolutionized the art measuring the frequency of l....

More details | Watch now
The Impact - L-N Giacconi - P 2008 00:32:00

What Future for Energy and Climate?

by Jack Steinberger
What Future for Energy and Climate?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 546 views
Rating:

We are using the planet's fossil fuel resources in a time which is very short compared to that of human evolution. In the same process we are changing the planet's climate and sea level, threatening the future of large segments of the global populat....

More details | Watch now
intrographics-01 00:07:00

What is Color?

by Daniel Stribling
What is Color?
for 11-14 and upwards,
Teaching modules | 11-14 and upwards | 5 years ago | 1178 views
Rating:

FSU undergrad, Daniel Stribling, investigates the intimate relationship between light and color. Daniel discusses the history, physics, and theory of light to engage young learners and encourage them to be excited about science.

More details | Watch now
CapturFiles_11 00:03:00

What is Matter? Solids, Liquids and Gases

by John Murrell
What is Matter? Solids, Liquids and Gases
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 7642 views
Rating:

More details | Watch now
Popescu 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 | 9 years ago | 910 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....

More details | Watch now
What is Quantum Optics? - Lindau-Nobel - Roy Glauber - Physics 2010 01:18:00

What is Quantum Optics?

by Roy Glauber
What is Quantum Optics?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 1309 views
Rating:

The image of light waves as oscillating electromagnetic fields explains virtually all the phenomena of traditional optics.  An awareness that these waves are somehow subdivided into quanta has however been with us since the early 20th century.  The....

More details | Watch now
Discovery - L-N - Giaever - P 2008 00:27:00

Which Way For Physics?

by Brian Josephson
Which Way For Physics?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 5 years ago | 556 views
Rating:

This talk describes a new approach to the problem of characterising physical reality, one with the potential to fill in gaps in the conventional understanding of nature. It is based on a different view from the usual one of structure at the finest l....

More details | Watch now
Rodenburg 1 00:10:00

Why can’t we see atoms?

by John Rodenburg
Why can’t we see atoms?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1056 views
Rating:

John talks about diffraction and the limits it puts on our ability to image atoms. Can we make an electron-microscope without lenses?

More details | Watch now
Murrell ice float 00:01:00

Why Does Ice Float?

by John Murrell
Why Does Ice Float?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 3589 views
Rating:

More details | Watch now

Items per page: