212 results found for physics

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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 | 1445 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 | 1208 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 | 2901 views
Rating:

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

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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 | 8 years ago | 1275 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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00:06:00

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 | 1231 views
Rating:

The best in the world!

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00:45:00

Modern Physics

by Leonard Susskind
Modern Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 8 years ago | 1121 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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00:51:00

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 | 1274 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 | 1008 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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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 | 8 years ago | 1320 views
Rating:

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

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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 | 2000 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 | 1221 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 | 1070 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 | 1623 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 | 1538 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 | 1309 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 | 1684 views
Rating:

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

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00:53:00

Importance of Physics in Industry

by Phillip Wyatt
Importance of Physics in Industry
for All ages,
Lectures | All ages | 10 years ago | 4058 views
Rating:

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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 | 1200 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 | 1271 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 | 1066 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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