100 results found for physics

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00:01:00

Graphene

by José Luis Lado
Graphene
for 14-19 and upwards,
Arts presentations | 14-19 and upwards | 5 years ago | 3693 views
Rating:

A magnetic tunnel junction is a device with two magnets separated by a very thin non-magnetic barrier. The two magnets can be aligned parallel or antiparallel. The electrical resistance of this devices depends on the alignment. This video illustrates....

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00:09:00

The dynamics of a spinning chair

by Rufus Marsh
The dynamics of a spinning chair
for 14-19 and upwards,
Discussions | 14-19 and upwards | 5 years ago | 899 views
Rating:

Jonathan talks to a real exoert about the science of balance.

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00:11:00

askFSU 1 : speed of light, tachyons, solar sails, and black holes

by Jeff Owens
askFSU 1 : speed of light, tachyons, solar sails, and black holes
for 14-19 and upwards,
Interviews | 14-19 and upwards | 5 years ago | 0 views
Rating:

Joining Philip Schlenoff is Dr. Jeff Owens, from the Physics department at Florida State University, to answer some physics and astrophysics-related questions!

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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 | 5 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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00:10:00

Superconductivity

by Kit Hey
Superconductivity
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 6 years ago | 1288 views
Rating:

This video shows a terrific selection of superconducting demonstrations and explanations.

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00:29:00

hyperfine interactions

by Stefaan Cottenier
hyperfine interactions
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 2138 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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01:04:00

Communicating with light

by Polina Bayvel
Communicating with light
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 906 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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00:08:00

Longboard data analysis

by Jonathan Hare
Longboard data analysis
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 1412 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 | 7 years ago | 6319 views
Rating:

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

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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 | 7 years ago | 1504 views
Rating:

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

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00:03:00

Resonance and Bridges

by Abigail Pearson
Resonance and Bridges
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 7 years ago | 2791 views
Rating:

Abbie describes why bridges must be designed to counteract the effects of unwanted vibrations.

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00:06:00

Concert Hall Acoustics

by Various Presenters
Concert Hall Acoustics
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 7 years ago | 1382 views
Rating:

Physics' students Rosie & Carine explain the physics behind concert hall acoustics.

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00:05:00

The Fresnel Lens

by Jonathan Hare
The Fresnel Lens
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 982 views
Rating:

Early lighthouses used coil and wood fires before moving on to gas and then electricity powered lights.  Massive improvements took place by using a lens system around the light.  The development of the Fresnel lens brought what we now regard as the....

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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 | 8 years ago | 1444 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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01:15:00

The Nuclear Debate

by Various Presenters
The Nuclear Debate
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1205 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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00:04:00

Real Gases

by Morgan Jefferis
Real Gases
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 8 years ago | 2900 views
Rating:

A light-hearted look at the difference between real and ideal gases.

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00:06:00

High Precision Atomic Mass Measurements

by Brianna Mount
High Precision Atomic Mass Measurements
for 14-19 and upwards,
Postgraduate presentations | 14-19 and upwards | 8 years ago | 1228 views
Rating:

The best in the world!

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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 | 8 years ago | 1271 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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00:58:00

The Centenary of the Discovery of Cosmic Rays: the End of the Beginning

by Arnold Wolfendale
The Centenary of the Discovery of Cosmic Rays: the End of the Beginning
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1005 views
Rating:

Sir Arnold Wolfendale FRS is Emeritus Professor of Physics at the University of Durham, and former Astronomer Royal. In 1912, Victor Hess embarked on a perilous balloon ascent and discovered the 'Cosmic Radiation', actually a beam of atomic particles....

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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 | 8 years ago | 981 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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00:12:00

The eye and colour vision

by Joe Wolfe
The eye and colour vision
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1996 views
Rating:

The physics of the eye, its performance and colour vision: refraction and accommodation; photoreceptors and resolution; compromises in visual performance.

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00:11:00

Geometrical optics

by Joe Wolfe
Geometrical optics
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1220 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

The nature of light

by Joe Wolfe
The nature of light
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1069 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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00:11:00

Human Sound

by Joe Wolfe
Human Sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1620 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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00:09:00

Standing waves

by Joe Wolfe
Standing waves
for 14-19 and upwards,
Lectures | 14-19 and upwards | 9 years ago | 1536 views
Rating:

Reflecting waves gives standing waves, which can be resonances. Standing waves on strings and in pipes and plates.

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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 | 10 years ago | 1308 views
Rating:

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

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00:09:00

Quantifying sound

by Joe Wolfe
Quantifying sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1367 views
Rating:

Frequency, amplitude, envelope and spectrum affect pitch, loudness and timbre. All are discussed and quantified here.

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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 | 10 years ago | 1013 views
Rating:

Seeing atoms using electons rather than lenses

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00:10:00

The Doppler effect

by Joe Wolfe
The Doppler effect
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1680 views
Rating:

Moving either source or receiver produces a frequency shift called the Doppler effect, which we measure and analyse.

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00:09:00

Sound

by Joe Wolfe
Sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1197 views
Rating:

Sound is a longitudinal wave of variations in pressure and density. We derive and measure its speed.

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00:06:00

Travelling waves II

by Joe Wolfe
Travelling waves II
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1267 views
Rating:

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

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00:12:00

Color Theory

by Sarah Ferguson
Color Theory
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 10 years ago | 1134 views
Rating:

For my project I am giving a brief history of color theory with emphasis on how science and color theory have interacted. I focus on aspects like primary colors, how color is perceived, and the artists who were at the forefront of color and design. I....

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00:09:00

Magnetism and Electricity

by Jean Pruitt
Magnetism and Electricity
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 10 years ago | 1064 views
Rating:

This presentation reviews how magnets work and their uses in the world today. It also explains how magnets and electricity are related and what future inventions could come from using magnets.

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00:07:00

Travelling waves I

by Joe Wolfe
Travelling waves I
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 1356 views
Rating:

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

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00:09:00

Oscillations

by Joe Wolfe
Oscillations
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1017 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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00:12:00

Gravity

by Joe Wolfe
Gravity
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1197 views
Rating:

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

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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 | 11 years ago | 1018 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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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 | 11 years ago | 1030 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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00:10:00

Rotation

by Joe Wolfe
Rotation
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1046 views
Rating:

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

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00:09:00

Sticky tape X-rays

by Carlos Camara
Sticky tape X-rays
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1005 views
Rating:

Peeling sticky tape emits energy that extends into the X-ray regime, reports a study in Nature. The research provides evidence for a phenomenon that was first observed more than 50 years ago.nnIt is well known that unwinding sticky tape produces spar....

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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 | 11 years ago | 1618 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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00:06:00

The Quantum Lattice

by William Phillips
The Quantum Lattice
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1172 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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00:06:00

Fibre and Sunlight

by John Hall
Fibre and Sunlight
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1130 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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00:06:00

Abolishing Time?

by David Gross
Abolishing Time?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1458 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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00:10:00

Momentum

by Joe Wolfe
Momentum
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 1058 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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00:12:00

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 | 11 years ago | 2715 views
Rating:

Emily Dougherty presents on the nature and physics of lightning.

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00:05:00

Light

by Shalini Golla
Light
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 11 years ago | 1105 views
Rating:

Shalini Golla presents on the science behind light.

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00:07:00

Nuclear Power in the United States

by Kelly Schwirian
Nuclear Power in the United States
for 14-19 and upwards,
Undergraduate presentations | 14-19 and upwards | 11 years ago | 992 views
Rating:

Kelly Schwirian presents on nuclear power in the United States.

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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 | 11 years ago | 1304 views
Rating:

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

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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 | 11 years ago | 1257 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?

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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 | 11 years ago | 1169 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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00:06:00

Improving your Memory

by Matthew Bryan
Improving your Memory
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 868 views
Rating:

Looking at how hard disk drives can be improvedn

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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 | 11 years ago | 1020 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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01:28:00

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 | 11 years ago | 942 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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00:06:00

Centripetal force – how do we measure it?

by Colin Byfleet
Centripetal force – how do we measure it?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 7719 views
Rating:

A short video showing a simple classroom method of checking the way in which this force is related to mass, speed and radius.

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00:14:00

Going round in circles – how do we do it?

by Colin Byfleet
Going round in circles – how do we do it?
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 1346 views
Rating:

A presentation showing both the ideas about centripetal force and a simple classroom method of checking the way in which this force is related to mass, speed and radius.

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00:05:00

Measuring the speed of pulses

by Colin Byfleet
Measuring the speed of pulses
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 1753 views
Rating:

A short clip showing the experimental measurement of the speed of electrical pulses in a cable - a large fraction of the speed of light.

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00:09:00

Measuring the speed of sound

by Colin Byfleet
Measuring the speed of sound
for 14-19 and upwards,
Teaching modules | 14-19 and upwards | 12 years ago | 11047 views
Rating:

A presentation showing how to measure the speed of sound over a short distance on a laboratory table.

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00:10:00

Weight and contact forces

by Joe Wolfe
Weight and contact forces
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1340 views
Rating:

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

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00:05:00

Light Beam

by Jonathan Hare
Light Beam
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1191 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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00:04:00

Temperature and States of Matter

by John Murrell
Temperature and States of Matter
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 7875 views
Rating:

A short video explaining how to measure temperature.

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00:10:00

Measuring Temperature

by John Murrell
Measuring Temperature
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1205 views
Rating:

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00:10:00

Temperature Scales

by John Murrell
Temperature Scales
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1115 views
Rating:

John Murrell explains scales and colour changes with temperature, boiling and melting,

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00:01:00

Volume Changes with Temperature

by John Murrell
Volume Changes with Temperature
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 881 views
Rating:

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00:02:00

Some Materials Do Not Have Liquid Form

by John Murrell
Some Materials Do Not Have Liquid Form
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1005 views
Rating:

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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 | 12 years ago | 2695 views
Rating:

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00:01:00

Why Does Ice Float?

by John Murrell
Why Does Ice Float?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 4022 views
Rating:

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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 | 12 years ago | 9065 views
Rating:

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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 | 12 years ago | 1759 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 | 12 years ago | 1974 views
Rating:

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00:02:00

Electrical Conduction

by John Murrell
Electrical Conduction
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1167 views
Rating:

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00:01:00

Hardness

by John Murrell
Hardness
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1693 views
Rating:

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00:03:00

Piezoelectricity

by Jonathan Hare
Piezoelectricity
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1515 views
Rating:

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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00:02:00

The Geiger Counter

by Jonathan Hare
The Geiger Counter
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1227 views
Rating:

Although essentially a very simple device the Gieger Counter is an exquisitely sensitive detector of ionising radiation. It can detect a single particle. Here we demonstrate its use in detecting radiation from minerals and describe in simple terms ho....

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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 | 12 years ago | 914 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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00:03:00

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 | 12 years ago | 1049 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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00:03:00

The Matter with AntiMatter

by Tara Shears
The Matter with AntiMatter
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1191 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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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 | 12 years ago | 1321 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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00:04:00

Sizing Things Up

by Tara Shears
Sizing Things Up
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1067 views
Rating:

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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00:14:00

The Building Blocks of Matter

by Brian Cox
The Building Blocks of Matter
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1015 views
Rating:

The Large Hadron Collider at CERN is the biggest science experiment ever built. Scientists from all over the world are heading to CERN with the aim of recreating particles from the beginning of the universe. Dr Brian Cox takes us on a scientific jour....

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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 | 12 years ago | 1173 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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00:57:00

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 | 12 years ago | 1114 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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00:29:00

Life in Space

by Helen Sharman
Life in Space
for 14-19 and upwards,
Discussions | 14-19 and upwards | 12 years ago | 1173 views
Rating:

Helen Sharman, the UK's first astronaut, gives a vibrant account of her personal experience of life in space using models and film to illustrate the key scientific concepts involved in spaceflight. Among other things she discusses the way Newton's Th....

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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 | 12 years ago | 1140 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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00:29:00

Antimatter

by Various Presenters
Antimatter
for 14-19 and upwards,
Discussions | 14-19 and upwards | 12 years ago | 1532 views
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What is antimatter? What does it tell us about the structure of our universe? Can we ever detect it?

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00:29:00

Mobile Phones – Safe?

by Various Presenters
Mobile Phones – Safe?
for 14-19 and upwards,
Discussions | 14-19 and upwards | 12 years ago | 1137 views
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A presentation discussing the science of mobile phones and associated radiation. Are mobile phones safe?

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00:02:00

Millie Dresselhaus

by Millie Dresselhaus
Millie Dresselhaus
for 14-19 and upwards,
Interviews | 14-19 and upwards | 12 years ago | 1177 views
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Mildred Dresselhaus was born in Brooklyn, New York and grew up in a poor section of the Bronx. She was a Fullbright Fellow at the Cavendish Laboratory, Cambridge University (UK) in 1951-52 and obtained a PhD at the University of Chicago in 1958. Mill....

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00:13:00

Cosmic X-ray sources

by Riccardo Giacconi
Cosmic X-ray sources
for 14-19 and upwards,
Interviews | 14-19 and upwards | 12 years ago | 5852 views
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Riccardo Giacconi , USA was awarded half of the Nobel Prize for Physics in 2002 for 'for pioneering contributions to astrophysics, which have led to the discovery of cosmic X-ray sources.

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00:15:00

Ivar Giaever

by Ivar Giaver
Ivar Giaever
for 14-19 and upwards,
Interviews | 14-19 and upwards | 12 years ago | 1480 views
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Ivar Giaever won the Nobel Prize in 1973 for his investigations of tunneling in semiconductors and superconductors. Giaever worked on metal thin films and tunneling and took a Solid State physics course. Although he knew nothing about Superconductivi....

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00:06:00

Alexander Müller

by Alexander Mller
Alexander Müller
for 14-19 and upwards,
Interviews | 14-19 and upwards | 12 years ago | 2042 views
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K. Alexander Müller shared the Nobel Prize for Physics with J. Georg Bednorz in 1987 'for their important break-through in the discovery of superconductivity in ceramic materials'. At the age of 9 Mller was given a radio (a single vacuum tube receiv....

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00:15:00

Superfluidity in Helium 3 – Nobel Physics Prize 1996

by Various Presenters
Superfluidity in Helium 3 – Nobel Physics Prize 1996
for 14-19 and upwards,
Discussions | 14-19 and upwards | 12 years ago | 1317 views
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Together Osheroff and Richardson talk about their different scientific research backgrounds which leads a fascinating discussion on their joint work for the Noble Prize.

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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 | 12 years ago | 2717 views
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A gentle lead-in to the subject, Feynman starts by discussing photons and their properties.

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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 | 12 years ago | 4749 views
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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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00:10:00

Newton’s laws of motion

by Joe Wolfe
Newton’s laws of motion
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1038 views
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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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00:08:00

Simple harmonic motion

by Joe Wolfe
Simple harmonic motion
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 997 views
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In simple harmonic motion, displacement, velocity and acceleration vary sinusoidally with time, but with different phases.

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00:08:00

Circular motion

by Joe Wolfe
Circular motion
for 14-19 and upwards,
Lectures | 14-19 and upwards | 12 years ago | 1476 views
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Uniform circular motion: angular displacement and velocity are introduced and centripetal acceleration is determined.

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