212 results found for physics

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01:10:00

The LHC: largest experiment and smallest particles

by Tara Shears
The LHC: largest experiment and smallest particles
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1396 views
Rating:

The LHC is the most powerful particle accelerator ever built. It is capable of recreating the very energetic conditions last seen in the universe a billionth of a second after the Big Bang, and allows particle physicists to study the fundamental ingr....

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01:03:00

The Long Road to the Higgs Boson – and Beyond

by John Ellis
The Long Road to the Higgs Boson – and Beyond
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 0 views
Rating:

The discovery of the Higgs boson at CERN’s LHC accelerator in 2012 by the ATLAS and CMS collaborations was the culmination of a decades-long search that had started in 1964 with the proposal of this unique particle, a signature of the origin of the....

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00:07:00

The Longboard – speedometer

by Jonathan Hare
The Longboard – speedometer
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1992 views
Rating:

Jonathan describes his adventures with a longboard and some different methods of making a speedometer for it.

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00:32:00

The Looming World Shortage of Helium

by Robert Richardson
The Looming World Shortage of Helium
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1078 views
Rating:

The worldÍs supply of Helium gas comes primarily from alpha decay in rocks. The most abundant supply is in the American Southwest where it is trapped with methane is natural gas wells. That supply is estimated to last a mere 25 years. It took 4.7 bi....

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00:03:00

The Matter with AntiMatter

by Tara Shears
The Matter with AntiMatter
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1580 views
Rating:

If equal amounts of matter and anitmatter were created at the birth of the universe then why does our universe seem to be made almost entirely from matter? Dr Tara Shears tells us how this mystery could be explained by the Large Hadron Collider exper....

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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 | 1495 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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00:03:00

The Mystery of the Missing Mass

by Tara Shears
The Mystery of the Missing Mass
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1471 views
Rating:

Dr Tara Shears explains why scientists are convinced that Dark Matter exists and how a new experiment called the Large Hadron Collider might finally tell us exactly what this mysterious missing mass is made of.

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00:12:00

The Nature and Physics of Lightning

by Emily Dougherty
The Nature and Physics of Lightning
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 14 years ago | 3353 views
Rating:

Emily Dougherty presents on the nature and physics of lightning.

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00:12:00

The nature of light

by Joe Wolfe
The nature of light
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1546 views
Rating:

White light comprises colours in the visible spectrum. The electromagnetic spectrum. Speed of light. Young's experiment and waves. Quanta and photons.

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01:15:00

The Nuclear Debate

by Various Presenters
The Nuclear Debate
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1730 views
Rating:

New carbon targets requires reducing emissions of greenhouse gases by 50% for 2030. This house believes that it will be impossible to meet the emissions reductions required to fulfil these obligations without the use of nuclear power.  Taking the pr....

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00:32:00

The Optical Frequency Comb – a Really Versatile Tool

by John Hall
The Optical Frequency Comb – a Really Versatile Tool
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1387 views
Rating:

The Optical Frequency Comb concept and technology exploded in 1999-2000 from the synthesis of advances in independent fields of Laser Stabilization, UltraFast Lasers, and NonLinear Optical Fibers. The Comb was developed first as a method for optical....

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00:33:00

The Origin of Elementary Particle Masses

by Francois Englert
The Origin of Elementary Particle Masses
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1168 views
Rating:

In the beginning of the 60s, the laws of classical general relativity, Einstein's generalisation of Newtonian gravity, and of quantum electrodynamics, the quantum version of Maxwell's electromagnetic theory, were known. These laws describe long range....

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01:28:00

The Physics of Angels and Demons

by Harrison Prosper
The Physics of Angels and Demons
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1299 views
Rating:

Professor Harrison Prosper of FSU Physics Department looks at the science behind the recently released movie 'Angels and Demons', starring Tom Hanks and based upon a Dan Brown novel. Prof. Prosper discusses topics such as antimatter, dark matter, dar....

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00:33:00

The Physics of Light

by Roy Glauber
The Physics of Light
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 1797 views
Rating:

When asked how does he think about the problems of the physics of light, Glauber says that it is an off-shoot of particle physics. He says that he has mainly worked in nuclear physics, quantum electro-dynamics and the quantum theoretical version of M....

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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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00:06:00

The Quantum Lattice

by William Phillips
The Quantum Lattice
for 14-19 and upwards,
Lectures | 14-19 and upwards | 14 years ago | 1616 views
Rating:

Awarded a Nobel Prize for using lasers to control and cool atoms, producing the Bose-Einstein condensation, Bill Phillips is eager to hear about new theories from young scientists like Hannah Venzl. An exciting dialogue develops between them on a boa....

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00:34:00

The Quantum Mechanics of Light: Interference, Entanglement – and Ghosts

by Roy Glauber
The Quantum Mechanics of Light: Interference, Entanglement – and Ghosts
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1556 views
Rating:

The early days of the quantum theory presented many dilemmas connected with interference phenomena and what we have come to call the entanglement of states. We are much better able to deal with these problems now, both in theory and experiment, but t....

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00:55:00

The Quantum World abserver by Electron Waves

by Akira Tonomura
The Quantum World abserver by Electron Waves
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1771 views
Rating:

Dr. Tonomura is a world renowned pioneer and authority in the field of electron holography, for which he has received many national and international recognitions. He is recognized for his contributions in the development of electron holography, the ....

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00:08:00

The Quest for The Higgs Particle

by Martinus Veltman
The Quest for The Higgs Particle
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1283 views
Rating:

A Breathtaking Journey into the Innermost Structure of our Universe.  Runner up: Best use of Animation and Best Short Documentary for the 2002 International Festival of Cinema and Technology.

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00:30:00

The Real M-Theory

by Brian Josephson
The Real M-Theory
for 18-22 and upwards,
Lectures | 18-22 and upwards | 9 years ago | 1281 views
Rating:

How can one advance a working hypothesis that will not be wrong tomorrow and ridiculous the day after? Beyond the Standard Model we find uncertainty and confusion, with both unclarity as to which might be the correct theory, as well as little in the ....

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01:02:00

The search for a deeper understanding of our universe at the Large Hadron Collider

by Rolf-Dieter Heuer
The search for a deeper understanding of our universe at the Large Hadron Collider
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1346 views
Rating:

With the start of the Large Hadron Collider (LHC) at CERN, particle physics entered a new era. The LHC will provide a deeper understanding of the universe and the insights gained could change our view of the world, and the lecture will present some o....

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00:52:00

The Seven Essential Highlights of QM Concepts in Chemical-Physics.

by Michael Kasha
The Seven Essential Highlights of QM Concepts in Chemical-Physics.
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1522 views
Rating:

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00:29:00

The Theory of Everything

by Various Presenters
The Theory of Everything
for 14-19 and upwards,
Discussions | 14-19 and upwards | 15 years ago | 1664 views
Rating:

Are we on the verge of that holy grail of science, a single theory that explains everything from planets to atomic particles, and if we ever get there, will it be the end, or the beginning of physics?  Physicists have theories covering everything fr....

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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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