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00:28:00

C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 1

by John Maier
C60+ in space – a 28-year detective story about the Diffuse Interstellar Bands – Part 1
for 14-19 and upwards,
Lectures | 14-19 and upwards | 6 years ago | 4157 views
Rating:

John Maier, Professor of Physical Chemistry at the University of Basel, describes the journey from the prediction of C60+ in 1987, through tentative assignment of its electronic spectrum by Radioastronomy, measurement in a neon-matrix and finally, in....

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00:29:00

Future Accelerators for Astro-Particle Physics

by Carlo Rubbia
Future Accelerators for Astro-Particle Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 986 views
Rating:

One of the most remarkable results of astro-particle Physics has been the success of the Standard Model, recently culminated in the discovery of the Higgs particle (Ho). However, the Ho is observable only in few channels at the LHC, in the presence o....

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00:33:00

What About Redefining Time Using a Stable Laser?

by John Hall
What About Redefining Time Using a Stable Laser?
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 952 views
Rating:

Several laser-based Atomic Clocks now have an accuracy potential of ~2 x10-18, a hundred-fold better than the best achieved after more than 60 years' experience with rf resonances in Cs atoms. Still, this long attention span documents that the Cs Fou....

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00:29:00

A New Kilogram in 2018: The Biggest Revolution in Metrology Since the French Revolution

by Klaus vonKlitzing
A New Kilogram in 2018: The Biggest Revolution in Metrology Since the French Revolution
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 1077 views
Rating:

Metrology - the science of measurements - is responsible for the international uniformity and precision in standards. Today, the seven units for meter, kilogram, second, ampere, kelvin, mole, and candela of our international system of units (SI units....

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00:35:00

The International Year of Light: Celebrating Fifty Years of Laser Revolution in Physics

by Serge Haroche
The International Year of Light: Celebrating Fifty Years of Laser Revolution in Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 6 years ago | 926 views
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The year 2015 has been named the International Year of Light, to mark milestones in the science of light which occurred 1000, 200, 150, 100 and 50 years go. I was a young student in physics in 1965, when the cosmic radiation background was discovered....

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00:29:00

hyperfine interactions

by Stefaan Cottenier
hyperfine interactions
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 2231 views
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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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00:30:00

The Development of Particle Physics

by Martinus Veltman
The Development of Particle Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 1031 views
Rating:

Particle physics mainly developed after World War II. It has its roots in the first half of the previous century, when it became clear that all matter is made up from atoms, and the atoms in turn were found to contain a nucleus surrounded by electro....

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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 | 7 years ago | 1016 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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00:31:00

From Millisecond to Attosecond Laser Pulses

by Nicolaas Bloembergen
From Millisecond to Attosecond Laser Pulses
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 1131 views
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A historical overview is presented of the experimental development of ever shorter laser pulses from 1960 to the present. Already in the early sixties nanosecond pulses were achieved and the entry into the picosecond domain was reached in the late s....

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00:49:00

Dynamics of Chemical Reactions

by Yuan Lee
Dynamics of Chemical Reactions
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 933 views
Rating:

Every macroscopic chemical transformation, whether it is atmospheric ozone depletion or the burning of a candle, consists of millions of microscopic chemical events, which involve collisions between molecules.  It has been the dream of scientists fo....

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00:43:00

The Development of Particle Physics

by Martinus Veltman
The Development of Particle Physics
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 890 views
Rating:

Particle physics mainly developed after World War II. It has its roots in the first half of the previous century, when it became clear that all matter is made up from atoms, and the atoms in turn were found to contain a nucleus surrounded by electro....

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00:36:00

Structural Genomics – Exploring the Protein Universe

by Kurt Wurthrich
Structural Genomics – Exploring the Protein Universe
for 18-22 and upwards,
Lectures | 18-22 and upwards | 7 years ago | 1085 views
Rating:

In today's post-genomic era, with the availability of the complete DNA sequences of a wide range of organisms, structural biologists are faced with new opportunities and challenges in _structural genomics”. In contrast to classical structural biol....

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