59 results found for physics

View Grid List
Sort A-Z By date
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 | 1770 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 ....

More details | Watch now
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....

More details | Watch now
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
Rating:

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....

More details | Watch now
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....

More details | Watch now
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.

More details | Watch now
00:03:00

Three Windmills

by Jonathan Hare
Three Windmills
for 11-14 and upwards,
Lectures | 11-14 and upwards | 15 years ago | 1659 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
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 ....

More details | Watch now
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 | 15 years ago | 9779 views
Rating:

A short video explaining how to measure temperature.

More details | Watch now
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:

More details | Watch now
00:10:00

Temperature Scales

by John Murrell
Temperature Scales
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1521 views
Rating:

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

More details | Watch now
00:01:00

Volume Changes with Temperature

by John Murrell
Volume Changes with Temperature
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1338 views
Rating:

More details | Watch now
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 | 15 years ago | 1394 views
Rating:

More details | Watch now
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:

More details | Watch now
00:01:00

Why Does Ice Float?

by John Murrell
Why Does Ice Float?
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 5073 views
Rating:

More details | Watch now
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 | 15 years ago | 10964 views
Rating:

More details | Watch now
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:

More details | Watch now
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:

More details | Watch now
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:

More details | Watch now
00:01:00

Hardness

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

More details | Watch now
00:03:00

Piezoelectricity

by Jonathan Hare
Piezoelectricity
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1941 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.

More details | Watch now
00:02:00

The Geiger Counter

by Jonathan Hare
The Geiger Counter
for 14-19 and upwards,
Lectures | 14-19 and upwards | 15 years ago | 1763 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....

More details | Watch now
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.

More details | Watch now
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.

More details | Watch now
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.

More details | Watch now
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....

More details | Watch now
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.

More details | Watch now
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
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....

More details | Watch now
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:

More details | Watch now
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 | 15 years ago | 1366 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....

More details | Watch now
00:14:00

The Forces of Nature

by Brian Cox
The Forces of Nature
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1511 views
Rating:

Can everything that happens in the universe be explained in terms of just three forces? Particle Physicist Brian Cox talks us through the history of our scientific understanding, revealing why scientists have come to believe this. Brian explores the ....

More details | Watch now
00:14:00

The Hunt for the Higgs

by Brian Cox
The Hunt for the Higgs
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1410 views
Rating:

Particle physicist Brian Cox explains how quantum mechanics has changed the way that we think the world works and why it predicts the existence of a particle that has never been seen. The Higgs boson is a mysterious particle that explains why things ....

More details | Watch now
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....

More details | Watch now
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....

More details | Watch now
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 | 15 years ago | 1380 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
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.

More details | Watch now
00:29:00

Life in Space

by Helen Sharman
Life in Space
for 14-19 and upwards,
Discussions | 14-19 and upwards | 15 years ago | 1598 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....

More details | Watch now
00:58:00

Spectroscopy and beyond

by Richard Friend
Spectroscopy and beyond
for 18-22 and upwards,
Lectures | 18-22 and upwards | 15 years ago | 1507 views
Rating:

Professor Sir Richard Friend is Cavendish Professor of Physics and part of the Optoelectronics Group at the Cavendish Laboratory, University of Cambridge.His research interests cover: 1) Conjugated Polymers, in particular the development of new semic....

More details | Watch now
00:44:00

Masers and Lasers

by Charles Townes
Masers and Lasers
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 2024 views
Rating:

Charles Hard Townes received the Nobel Prize for Phyiscs in 1964 'for fundamental work in the field of quantum electronics, which has led to the construction of oscillators and amplifiers based on the maser-laser principle' He was award half of the P....

More details | Watch now
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....

More details | Watch now
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 | 1663 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....

More details | Watch now
00:29:00

Antimatter

by Various Presenters
Antimatter
for 14-19 and upwards,
Discussions | 14-19 and upwards | 15 years ago | 1986 views
Rating:

What is antimatter? What does it tell us about the structure of our universe? Can we ever detect it?

More details | Watch now
00:29:00

Mobile Phones – Safe?

by Various Presenters
Mobile Phones – Safe?
for 14-19 and upwards,
Discussions | 14-19 and upwards | 15 years ago | 2058 views
Rating:

A presentation discussing the science of mobile phones and associated radiation. Are mobile phones safe?

More details | Watch now
00:02:00

Millie Dresselhaus

by Millie Dresselhaus
Millie Dresselhaus
for 14-19 and upwards,
Interviews | 14-19 and upwards | 15 years ago | 1805 views
Rating:

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....

More details | Watch now
00:50:00

Walter Kohn

by Walter Kohn
Walter Kohn
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 1836 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
00:08:00

Nicolaas Bloembergen

by Nicolaas Bloembergen
Nicolaas Bloembergen
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 1357 views
Rating:

Interview with Nicolaas Bloembergen, USA, who shared half of the Nobel Prize for Physics in 1981 with Arthur Leonard Schawlow, USA 'for their contributions to the development of laser spectroscopy' He discusses the technical developments of his work ....

More details | Watch now
00:08:00

Leo Esaki

by Leo Esaki
Leo Esaki
for 18-22 and upwards,
Interviews | 18-22 and upwards | 15 years ago | 2636 views
Rating:

Leo Esaki is a Japanese physicist who shared half the Nobel Prize in Physics in 1973 with Ivar Giaever for the discovery of the phenomenon of electron tunneling. The second half of the prize was awarded to Brian David Josephson. He is known for his i....

More details | Watch now
00:13:00

Cosmic X-ray sources

by Riccardo Giacconi
Cosmic X-ray sources
for 14-19 and upwards,
Interviews | 14-19 and upwards | 15 years ago | 6302 views
Rating:

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.

More details | Watch now
00:15:00

Ivar Giaever

by Ivar Giaver
Ivar Giaever
for 14-19 and upwards,
Interviews | 14-19 and upwards | 15 years ago | 2419 views
Rating:

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....

More details | Watch now

Items per page: