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00:33:00

A Century of Quantum Mechanics

by David Gross
A Century of Quantum Mechanics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 2093 views
Rating:

In October 2011 we celebrated the centenary of the Solvay conferences that played a unique and important role in the development of twentieth century physics, most notably in the quantum revolution whose birth overlapped the initiation of these meeti....

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01:00:00

A Little Light Relief

by David Phillips
A Little Light Relief
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1989 views
Rating:

Light, particularly sunlight, is believed to be good for our health. Many ancient civilisations even attributed it with mystical healing powers.Renowned for his entertaining lectures, Professor David Phillips, President of the RSC, uses his expertise....

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00:29:00

A New Kilogram in 2018: The Biggest Revolution in Metrology Since the French Revolution

by Klaus vonKlitzing
A New Kilogram in 2018: The Biggest Revolution in Metrology Since the French Revolution
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1411 views
Rating:

Metrology - the science of measurements - is responsible for the international uniformity and precision in standards. Today, the seven units for meter, kilogram, second, ampere, kelvin, mole, and candela of our international system of units (SI units....

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00:37:00

A Quantum Gas

by Slobodan Danko Bosanac
A Quantum Gas
for 22 and upwards,
Lectures | 22 and upwards | 16 years ago | 2116 views
Rating:

The quantum gas is an extreme state of an ensemble of atoms when their de Broglie wave length is of the same length as the size of the container. The ways of achieving this state are described and also how its temperature is defined.

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00:06:00

Abolishing Time?

by David Gross
Abolishing Time?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1865 views
Rating:

David Gross's Nobel Prize was for work on the 'strong' force which acts between quarks inside the atom. Now he works on string theory, hoping to understand how all the forces of nature could be united. He believes the next steps may involve throwing ....

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00:04:00

Big Bang – a tour of the Large Hadron Collider

by Brian Cox
Big Bang – a tour of the Large Hadron Collider
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1671 views
Rating:

Dr Brian Cox takes us on a tour of the Large Hadron Collider where the conditions moments after the Big Bang are to be recreated.

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00:59:00

Black holes, Wormholes and Time Travel

by Paul Davies
Black holes, Wormholes and Time Travel
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 6304 views
Rating:

The idea of time travel makes great science fiction, but can it really be achieved? Paul Davies, Visiting Professor of Physics at Imperial College, describes wormholes in space and other ways that might allow travel into the past or future.

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01:04:00

Busy, Busy – all day long we’re in a whirl

by Tim Richardson
Busy, Busy – all day long we’re in a whirl
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1618 views
Rating:

An unusual look at the effects that things rotating have on our everyday life.

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00:05:00

Calculating Quantum Corrections to Collider Processes

by Fernando Cordero
Calculating Quantum Corrections to Collider Processes
for 22 and upwards,
Lectures | 22 and upwards | 16 years ago | 1552 views
Rating:

A review of High Energy Particle Theory and Phenomenology at FSU

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00:08:00

Centre of mass

by Joe Wolfe
Centre of mass
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1841 views
Rating:

In finite objects, the total external force equals the total mass times the acceleration of a point called the centre of mass.

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00:08:00

Circular motion

by Joe Wolfe
Circular motion
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1918 views
Rating:

Uniform circular motion: angular displacement and velocity are introduced and centripetal acceleration is determined.

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00:33:00

Cold Atomic Gases: the Intersection of Condensed Matter and Atomic Physics

by William Phillips
Cold Atomic Gases: the Intersection of Condensed Matter and Atomic Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1556 views
Rating:

During the past decade laser cooling and evaporative cooling of atoms have produced quantum degenerate gases both of bosons (Bose-Einstein condensates) and of fermions (gases with temperatures below the Fermi temperature). Such gases can provide ana....

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01:04:00

Communicating with light

by Polina Bayvel
Communicating with light
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1381 views
Rating:

Most of the data we generate and receive (whether emails, tweets, videos or mobile calls) are now carried by optical fibres, which use light to transmit vast quantities of information over trans-oceanic distances. The use of hundreds of wavelengths ....

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00:33:00

Communication on Earth, using Cables and Satellites

by Colin Byfleet
Communication on Earth, using Cables and Satellites
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 1933 views
Rating:

A brief look at the Physics behind sending signals along cables and via geostationary satellites. An experiment to measure the speed of an electrical pulse in a cable is described and the Physics of the orbits of communcations satellites is develope....

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00:25:00

Communication with Space Probes and beyond

by Colin Byfleet
Communication with Space Probes and beyond
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 6128 views
Rating:

The main problems associated with communicating with distant space probes like Voyager 1 are investigated. The role played by diffraction in limiting the amount of power receivable on Earth is discussed. The further problems of reaching a nearby st....

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00:31:00

Controlling Photons in a Box and Exploring the Quantum to Classical Boundary

by Serge Haroche
Controlling Photons in a Box and Exploring the Quantum to Classical Boundary
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1715 views
Rating:

The founders of quantum theory assumed in 'thought experiments' that they were manipulating isolated quantum systems, obeying the counterintuitive laws which they had just discovered.  Technological advances have recently turned these virtual experi....

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00:37:00

Cosmic Rays: the Most Energetic Particles in the Universe

by James Cronin
Cosmic Rays: the Most Energetic Particles in the Universe
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1187 views
Rating:

Astrophysical objects are able to accelerate atomic nuclei to energies 10^7 times more than man made accelerators such as LHC. _Particles arrive at earth from space with energies as great as 50 joules, a macroscopic energy in a microscopic particle.....

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00:31:00

Creating Artificial Magnetic Fields to Act on Neutral Atoms

by William Phillips
Creating Artificial Magnetic Fields to Act on Neutral Atoms
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1557 views
Rating:

Cold, quantum degenerate gases of neutral atoms have proved to be useful in simulating the behavior of quantum systems like electrons in solids.  For example, cold atoms moving in optical lattices (periodic potentials created by interfering laser be....

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.....

Dark Matter, Dark Energy

by George Smoot
Dark Matter, Dark Energy
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 2843 views
Rating:

Smoot's Nobel Prize was awarded for his analysis of that whisper from the Big Bang, the cosmic microwave background radiation. Today he hopes CERN's data will again transform our understanding of the universe. Young scientists Bilge Demirkoz and Benj....

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00:48:00

Density Functional Theory: three non-technical explanations

by Stefaan Cottenier
Density Functional Theory: three non-technical explanations
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1807 views
Rating:

What do six brides have to do with Density-Functional Theory? Discover it in this lecture, in which the essential ideas behind DFT are explained in three different non-technical ways. After this practical lecture, you will be able to understand the m....

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00:07:00

Diffraction and Fourier Transforms

by Tega Edo
Diffraction and Fourier Transforms
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1818 views
Rating:

How we are affected by the very widespread manifesations of diffraction.

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00:29:00

Discovery of Superconducting Tunneling

by Ivar Giaver
Discovery of Superconducting Tunneling
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1687 views
Rating:

I had the great fortune to receive a Nobel Prize in Physics for using electron tunneling to measure the energy gap in superconductors. In this talk I will recollect some of the events that led to this discovery and hopefully I will be able to convey....

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00:37:00

Discovery of the Higgs Particle

by Martinus Veltman
Discovery of the Higgs Particle
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1476 views
Rating:

Recently the Higgs particle has been discovered at CERN. This particle was theoretically predicted. The historical development of field theory, leading to this prediction will be discussed.

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00:02:00

Dry Ice and Wet Ice

by John Murrell
Dry Ice and Wet Ice
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 3483 views
Rating:

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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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00:02:00

Electrical Conduction

by John Murrell
Electrical Conduction
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1880 views
Rating:

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00:04:00

Electrical Generator

by Jonathan Hare
Electrical Generator
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1586 views
Rating:

This short video shows one of the demonstrations for the Physics SEPNet exhibition - "Who will keep the lights on?" which travelled around the southern UK from February 2009.  We describe and explain the electrical generator demonstration which Jona....

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00:59:00

Electron Waves Unveil The Microcosmos

by Akira Tonomura
Electron Waves Unveil The Microcosmos
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1734 views
Rating:

Since the time of Faraday lines of force in space have been 'observed' by sprinkling iron filings around magnet. The lecturer explains how, with modern techniques we can 'see' lines of force inside a solid magnet. The studies reveal a fascinating dyn....

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00:10:00

Energy and power

by Joe Wolfe
Energy and power
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1451 views
Rating:

The total work done on an object equals the increase in its kinetic energy. For conservative forces, we can define potential energy.

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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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00:06:00

Fibre and Sunlight

by John Hall
Fibre and Sunlight
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1648 views
Rating:

Fine tuning the frequencies of light gave John Hall a Nobel Prize, and helped transform the fields of precision measurement and information transmission. Iris Choi and Andrei Ghicov are young scientists excited by the ways physics can change our worl....

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00:31:00

Five Decades of Lasers, Six Decades of Progress, and a Proposed Space Experiment to test Einstein’s Assumptions

by John Hall
Five Decades of Lasers, Six Decades of Progress, and a Proposed Space Experiment to test Einstein’s Assumptions
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1309 views
Rating:

Even though this is the 51st year of the Laser, progress in its control and application in precision measurements is still accelerating.  The Optical Frequency Comb technology exploded in 1999-2000 from the synthesis of advances in independent field....

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00:05:00

Flexibility, Elasticity, Heat Conduction

by John Murrell
Flexibility, Elasticity, Heat Conduction
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 2295 views
Rating:

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00:21:00

Force or (potential) energy

by Slobodan Danko Bosanac
Force or (potential) energy
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1661 views
Rating:

Classical dynamics uses the concept of force for its solution. On the other hand force in quantum dynamics has no meaning and the concept of potential energy is used instead. The question is, "which one of the concepts is more fundamental?".

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00:31:00

From Millisecond to Attosecond Laser Pulses

by Nicolaas Bloembergen
From Millisecond to Attosecond Laser Pulses
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1527 views
Rating:

A historical overview is presented of the experimental development of ever shorter laser pulses from 1960 to the present. Already in the early sixties nanosecond pulses were achieved and the entry into the picosecond domain was reached in the late s....

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00:34:00

From Spinwaves to Giant Magnetoresistance (GMR) and Beyond

by Peter GrŸnberg
From Spinwaves to Giant Magnetoresistance (GMR) and Beyond
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1388 views
Rating:

Standing spinwaves and surface waves in layered magnetic structures can be used for the detection and quantitative evaluation of interlayer exchange coupling (IEC). Using this method antiferromagnetic IEC has been found in Fe/Cr/Fe layered structure....

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00:34:00

Frontiers of Physics

by David Gross
Frontiers of Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1544 views
Rating:

David discusses a few of the questions facing fundamental physics that might be answered before the 100th Lindau meeting in 2050.

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00:29:00

Future Accelerators for Astro-Particle Physics

by Carlo Rubbia
Future Accelerators for Astro-Particle Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1388 views
Rating:

One of the most remarkable results of astro-particle Physics has been the success of the Standard Model, recently culminated in the discovery of the Higgs particle (Ho). However, the Ho is observable only in few channels at the LHC, in the presence o....

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00:11:00

Geometrical optics

by Joe Wolfe
Geometrical optics
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1628 views
Rating:

On scales much bigger than the wavelength, rays explain the behaviour of interfaces, mirrors, lenses, optical instruments, including telescopes and microscopes.

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00:12:00

Gravity

by Joe Wolfe
Gravity
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1731 views
Rating:

The inverse square law explains planetary motion - and apples falling. Newton's law, measuring G, calculating orbits.

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00:01:00

Hardness

by John Murrell
Hardness
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 2175 views
Rating:

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00:04:00

Heat Conduction

by John Murrell
Heat Conduction
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 4233 views
Rating:

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00:17:00

How can we see atoms ?

by John Rodenburg
How can we see atoms ?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1672 views
Rating:

Seeing atoms using electons rather than lenses

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00:03:00

How does a transistor work?

by Jonathan Hare
How does a transistor work?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 2460 views
Rating:

A short video explaining how transistors work.  At the heart of our high-tech society with radios, mobile phones, computers and space exploration are tiny electronic components called transistors.  They have revolutionised electronics and in the pr....

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00:57:00

How X-rays cracked the structure of DNA

by Amand Lucas
How X-rays cracked the structure of DNA
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1555 views
Rating:

An elegantly simple optical diffraction demonstration with an inexpensive laser pointer is used to show the way in which x-rays can reveal the structure of crystals, and in particular, the double helix structure of DNA.

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00:11:00

Human Sound

by Joe Wolfe
Human Sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 2132 views
Rating:

Sound is produced in the larynx; filtering it in the vocal tract produces formants and phonemes. The acoustics, mechanics and some neurobiology of hearing. Pitch perception.

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00:02:00

Hunting for Higgs – Why Build the Large Hadron Collider?

by Alom Shaha
Hunting for Higgs – Why Build the Large Hadron Collider?
for All ages,
Lectures | All ages | 15 years ago | 1358 views
Rating:

This short documentary explains why the Large Hadron Collider was built and what scientists are using the collider to look for.

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00:29:00

hyperfine interactions

by Stefaan Cottenier
hyperfine interactions
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 2557 views
Rating:

30-minute lecture about the physics of hyperfine interactions, and about how to calculate hyperfine interactions by the WIEN2k DFT code

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00:53:00

Importance of Physics in Industry

by Phillip Wyatt
Importance of Physics in Industry
for All ages,
Lectures | All ages | 13 years ago | 4648 views
Rating:

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00:06:00

Improving your Memory

by Matthew Bryan
Improving your Memory
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1305 views
Rating:

Looking at how hard disk drives can be improvedn

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00:14:00

In search of the mysterious magnetic monopole

by David Milstead
In search of the mysterious magnetic monopole
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1346 views
Rating:

Searching for the mysterious magnetic monopole.

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00:08:00

Interference and consonance

by Joe Wolfe
Interference and consonance
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1735 views
Rating:

Superposing waves with different frequencies gives beats and Tartini tones. Removing beats gives consonance. Tuning consonances gives temperament.

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00:18:00

Isaac Newton and Gravitation

by Colin Byfleet
Isaac Newton and Gravitation
for 14-19 and upwards,
Lectures | 14-19 and upwards | 16 years ago | 3218 views
Rating:

A look at what was known when Newton started to develop his theory of gravitation and how he used these ideas and data to make his great forward step

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00:31:00

Laser Spectroscopy of Hydrogen

by Theodor Hänsch
Laser Spectroscopy of Hydrogen
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1546 views
Rating:

The simple Balmer spectrum of atomic hydrogen has provided the Rosetta stone for deciphering the strange laws of quantum physics during the early 20th century.  Four decades ago, Doppler-free laser spectroscopy opened a new chapter in the exploratio....

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00:05:00

Light Beam

by Jonathan Hare
Light Beam
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1944 views
Rating:

Light is reflected off a flexible shiny surface fixed to the end of a plastic tube. When one speaks into the tubes sound vibrations pass down the tube and make the surface vibrate. The reflected light is therefore sent off from the surface in a con....

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00:39:00

Light Quanta and Their Idiosyncrasies

by Roy Glauber
Light Quanta and Their Idiosyncrasies
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1653 views
Rating:

Maxwell's electromagnetic theory (now 150 years old) seemed in its comprehensive way to be capable of answering all of the questions one might ever pose about the theory of light. But that spell was broken in 1900 by Planck's discovery that light bea....

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00:08:00

Longboard data analysis

by Jonathan Hare
Longboard data analysis
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1871 views
Rating:

Using a data-logger to analyse the performance of a longboard.

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00:04:00

Longboard physics

by Jonathan Hare
Longboard physics
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 6880 views
Rating:

A few (surprising?) thoughts on how the wheels on a longboard or skateboard actually move.

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01:04:00

Mapping the Universe and Its History

by George Smoot
Mapping the Universe and Its History
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 2706 views
Rating:

Using our most advanced techniques and instruments we sift through study the cosmic microwave background as a relic of the early universe to understand the events surrounding the birth and subsequent development of the Universe.  A precision inspect....

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00:10:00

Measuring Temperature

by John Murrell
Measuring Temperature
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1624 views
Rating:

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00:04:00

Mobile Phone

by Jonathan Hare
Mobile Phone
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1801 views
Rating:

Jonathan shows us with a cheap and simple homemade demonstration how your mobile telephone generates radio waves in order for you to use it to communicate.  As you will see you can use this method to explore many aspects of your mobile phone!

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00:27:00

Model Synthesis for Ceramics: Superconductors, Magnets and Others

by Karl Muller
Model Synthesis for Ceramics: Superconductors, Magnets and Others
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1272 views
Rating:

The discovery of superconductivity in hole doped La2CuO4 was motivated by the interest to find this phenomenon in an oxide.  After the discovery near 35 K, copper oxides with transition temperatures of up to 131 K at normal pressure were found, i.e.....

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00:45:00

Modern Physics

by Leonard Susskind
Modern Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 11 years ago | 1470 views
Rating:

A series of nine lectures from Leonard Susskind who is the Felix Bloch Professor of Theoretical Physics atStanford University, and Director of the Stanford Institute for Theoretical Physics.

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00:10:00

Momentum

by Joe Wolfe
Momentum
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1506 views
Rating:

p=mv. If external forces are zero, momentum is conserved. In collisions, energy may be conserved (elastic) or not (inelastic).

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00:06:00

Motion with constant acceleration (kinematics)

by Joe Wolfe
Motion with constant acceleration (kinematics)
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1733 views
Rating:

Kinematics quantifies motion without explaining the causes of it. Here we study accelerations that are zero, positive or negative.

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00:51:00

Music, architecture and acoustics in Renaissance Venice: Recreating lost soundscapes

by Malcolm Longair
Music, architecture and acoustics in Renaissance Venice: Recreating lost soundscapes
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1817 views
Rating:

During the Renaissance in Venice, composers such as the Gabrieli and Moneverdi created some of their greatest masterpieces for performance in the great churches on festive occasions. But what would the music have sounded like, given its complexity an....

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00:31:00

Neutrinos: a Golden Field for Astroparticle Physics

by Carlo Rubbia
Neutrinos: a Golden Field for Astroparticle Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1133 views
Rating:

Neutrinos have been the origin of an impressive number of ‘surprises’.  We know that neutrinos have tiny masses and that oscillations are occurring spontaneously between neutrino species.  But additional new discoveries may be ahead of us and t....

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00:10:00

Newton’s laws of motion

by Joe Wolfe
Newton’s laws of motion
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1415 views
Rating:

F=ma (laws 1&2). Forces come in pairs that add to zero (3). Newton's laws apply in inertial frames of reference. Some common approximations made in applying them.

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01:00:00

Nuclear Power Plant Safety – What’s the Problem?

by John Collier
Nuclear Power Plant Safety – What’s the Problem?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1699 views
Rating:

A significant proportion of our electricity is generated by thermonuclear reactions. The dangers attached to these processes and the radioactive products are well known and publicised. Much less well known are the measures taken to ensure that the hi....

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00:05:00

Nuclear Structure and Gamma-ray Spectroscopy

by Michelle Perry
Nuclear Structure and Gamma-ray Spectroscopy
for 22 and upwards,
Lectures | 22 and upwards | 16 years ago | 1958 views
Rating:

The use of gamma-ray spectroscopy to study the structure of less well-known nuclei.

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00:28:00

Optical Microscopy – the Resolution Revolution

by Stefan Hell
Optical Microscopy – the Resolution Revolution
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1245 views
Rating:

Throughout the 20th century it was widely accepted that a light microscope relying on conventional optical lenses cannot discern details that are much finer than about half the wavelength of light (200-400 nm), due to diffraction. However, in the 199....

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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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00:09:00

Oscillations

by Joe Wolfe
Oscillations
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1608 views
Rating:

Inertia and restoring forces can, with low friction or damping, lead to oscillations and resonance. We analyse the mechanics of vibrations.

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00:09:00

Paper Windmills

by Jonathan Hare
Paper Windmills
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 3412 views
Rating:

Jonathan makes some simple paper windmills/turbines and experiments with a simple generator to power house hold devices such as torches, calculators and even a radio.

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00:02:00

Parabolic Light Collectors

by Jonathan Hare
Parabolic Light Collectors
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 6045 views
Rating:

Parabolic surfaces can be used to concentrate energy for example to focus sunlight to heat things. Using an old World War II spot light mirror we demonstrate how easy it it is to concentrate enough energy to cause combustion. Finally, we show how to ....

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00:41:00

Particle Physics and the Mysteries of the Early Universe

by Cristina Lazzeron
Particle Physics and the Mysteries of the Early Universe
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1388 views
Rating:

Dr Cristina Lazzeroni, a Royal Society University Research Fellow from the University of Birmingham, reveals the secrets of the world's largest accelerator, the Large Hadron Collider and how the LHC experiments hope to answer big questions about the ....

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00:03:00

Piezoelectricity

by Jonathan Hare
Piezoelectricity
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1941 views
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Some minerals such as quartz can produce electricity simply by squeezing or bending them - these are called piezoelectric crystals. Here is a simple and cheap demonstration you can do.

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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
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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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00:07:00

Potato Battery

by Jonathan Hare
Potato Battery
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 2743 views
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When two different types of conductors are pushed into a potato chemical reactions take place charging them up - we have a simple electrochemical cell. A potato, zinc screw and carbon rod produce about 1V. We experiment joining a few of these cells u....

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00:30:00

Powering the Future

by Robert Laughlin
Powering the Future
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1382 views
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Some seeds of what to do in the climate/energy controversy are contained in what will be.  In this talk I shall ask everyone to jump over contemporary politics and make a mental journey to a time, several centuries from now, when nobody uses carbon-....

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00:09:00

Projectile motion

by Joe Wolfe
Projectile motion
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1369 views
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Motion with uniform acceleration, such as in a uniform gravitational (or electric) field is projectile motion, analysed here with examples.

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00:09:00

Quantifying sound

by Joe Wolfe
Quantifying sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 13 years ago | 1824 views
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Frequency, amplitude, envelope and spectrum affect pitch, loudness and timbre. All are discussed and quantified here.

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00:31:00

Quantum Information: a Scientific and Technological Revolution for the 21st Century

by William Phillips
Quantum Information: a Scientific and Technological Revolution for the 21st Century
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1374 views
Rating:

Two of the great scientific and technical revolutions of the 20th century were the discovery of the quantum nature of the submicroscopic world, and the advent of information science and engineering. Both of these have had a profound effect not only o....

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01:18:00

Richard Feynman – The Douglas Robb Memorial Lectures – Part 1

by Richard Feynman
Richard Feynman – The Douglas Robb Memorial Lectures – Part 1
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 3288 views
Rating:

A gentle lead-in to the subject, Feynman starts by discussing photons and their properties.

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01:39:00

Richard Feynman – The Douglas Robb Memorial Lectures – Part 2

by Richard Feynman
Richard Feynman – The Douglas Robb Memorial Lectures – Part 2
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1962 views
Rating:

What are reflection and transmission, and how do they work?

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01:40:00

Richard Feynman – The Douglas Robb Memorial Lectures – Part 3

by Richard Feynman
Richard Feynman – The Douglas Robb Memorial Lectures – Part 3
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1442 views
Rating:

Feynman diagrams and the intricacies of particle interaction.

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01:34:00

Richard Feynman – The Douglas Robb Memorial Lectures – Part 4

by Richard Feynman
Richard Feynman – The Douglas Robb Memorial Lectures – Part 4
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 2227 views
Rating:

What does it mean, and where is it all leading?

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00:25:00

Role of Cortical Noise in Vision

by Donald Glaser
Role of Cortical Noise in Vision
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 972 views
Rating:

Our brains are always generating electrical signals, even if we close our eyes, plug our ears, and lie in a warm bath. These signals are called cortical noise because they don't correlate with any sensation or thought of which we are aware. I will ....

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00:10:00

Rotation

by Joe Wolfe
Rotation
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1481 views
Rating:

Torques produce angular acceleration, moment of inertia 'resists' it. Rotational kinetic energy and angular momentum.

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00:35:00

Science with Combs of Light

by Theodor Hänsch
Science with Combs of Light
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1569 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 of measuring the frequency of....

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00:04:00

Seawater Battery

by Jonathan Hare
Seawater Battery
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 3159 views
Rating:

When two different metals are placed in a salt solution (an electrolyte) the chemistry produces a voltage. This is called a cell. By wiring up a number of these cells we can make a battery and use it to power electrical circuits.

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00:04:00

Shake-a-Gen

by Jonathan Hare
Shake-a-Gen
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 1734 views
Rating:

This is a simple yet effective demonstration of electricity generation. 500 turns of wire are wound onto a 35mm film can and the two ends are attached to an LED light. A strong magnet is placed in the can and the lid fixed back in place. The generato....

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00:06:00

Simple Electrical Generator

by Jonathan Hare
Simple Electrical Generator
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1814 views
Rating:

With some simple circuitry and a homemade hand powered generator Jonathan makes AC and DC electricity that could be used for charging a mobile phone or attaching to a wind turbine.

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00:08:00

Simple harmonic motion

by Joe Wolfe
Simple harmonic motion
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1397 views
Rating:

In simple harmonic motion, displacement, velocity and acceleration vary sinusoidally with time, but with different phases.

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00:04:00

Sizing Things Up

by Tara Shears
Sizing Things Up
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1550 views
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Dr Tara Shears explains that one of Science's greatest achievements is to have accurately measured everything from the width of the universe to the diameter of a quark. This film features an animated zoom in from the universe to the heart of a hydrog....

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00:06:00

Solar Cells

by Jonathan Hare
Solar Cells
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 5951 views
Rating:

A short video on solar cells explaining with accompanying information sheet. How they work and how Jonathan uses solar power at home.

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