100 results found for physics

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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?

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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 | 15 years ago | 2058 views
Rating:

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 | 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....

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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 | 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.

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00:15:00

Ivar Giaever

by Ivar Giaver
Ivar Giaever
for 14-19 and upwards,
Interviews | 14-19 and upwards | 15 years ago | 2420 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....

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00:06:00

Alexander Müller

by Alexander Mller
Alexander Müller
for 14-19 and upwards,
Interviews | 14-19 and upwards | 15 years ago | 2689 views
Rating:

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 | 15 years ago | 1761 views
Rating:

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 | 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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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 | 6129 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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00:10:00

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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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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00:08:00

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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