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THE ENIGMA OF SATURN’S NORTH-POLAR HEXAGON

It has been suggested that the north-polar hexagon found on Saturn is an unusual Rossby wave. If this is to be the case, one must not only explain how a Rossby wave can be hexagonal in shape, albeit with curved corners, but also why it is hexagonal rather than in the form of some other polygon. It is possible that a spectrum of Rossby waves with different amplitudes resulting from the velocity profile of the hexagonal jet could contribute to its shape.

THE ENIGMA OF SATURN’S NORTH POLAR HEXAGON

http://arxiv.org/abs/1711.00338

Physics

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An Introduction to the Standard Model of Particle Physics for the Non-Specialist

This book takes the reader from some elementary ideas about groups to the essence of the Standard Model of particle physics along a relatively straight and intuitive path. Groups alone are first used to arrive at a classical analog  of the Dirac equation. Using elementary quantum mechanics, this analog can be turned into the actual Dirac equation, which governs the motion of the quarks and leptons of the Standard Model. After introduction to the gauge principle, the groups introduced in the beginning of the book are used to give an introduction to the Standard Model. The idea is to give an Olympian view of this evolution, one that is often missing when absorbing the detailed subject matter of the Standard Model as presented in an historical approach to the subject.

Published by World Scientific:

http://www.worldscientific.com/worldscibooks/10.1142/10779

(Quoting WSSPPS20 gives a  20% discount.)

Books
Physics

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STICKS “TRUMP” CARROTS FOR NORTH KOREA

If the US and Japan could make it clear to China that the consequence of inaction would be a nuclear armed Japan that might be an adequate incentive.

USA TODAY MAGAZINE (September 2017)

USA Today Mag-Sept 17-Marsh

TECHNICAL BASIS FOR THE ARTICLE IN SEPTEMBER USA TODAY MAGIZINE

General Interest
Nuclear Policy
Politics
USA Today Magazine

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A NEW SOCIAL CONTRACT

“What is happening as the average citizen looks on in disbelief is that an outworn, patched politico-economic system is cracking, while no serious steps are taken to ascertain the causes and remedies.”

USA TODAY MAGAZINE (JANUARY 2017):

A New Social Contract-USA Today Mag Jan 2017

General Interest
Politics
USA Today Magazine

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WEINBERG’S LAMENT: SCIENCE AND RELIGION

Weinberg’s lament is the rather gloomy conclusion that the existence of the universe, and of intelligence in particular, appears to have no meaning. This essay explores the epistemological basis of this lament.

src_vol3_issue1_pp-49-54

Science, Religion & Culture Vol. 3 Issue 1 pp.49-54 (2016)

Essays in Science
General Interest

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CLIMATE CHANGE SHENANIGANS

The climate modeling community is confident that its models are adequate to be a basis for public policy decisions, despite the illegitimacy of ensemble averaging and the deficiencies with regard to the second law of thermodynamics.

 

USA TODAY MAGAZINE  climate-shenanigans

General Interest
Global Warming
Politics

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NYT: “A Nuclear Legacy Within Reach”

The 8 August 2016 lead editorial of the New York Times made a financial argument against modernization of the nuclear arsenal — including the land-based intercontinental ballistic missiles.  They then noted that former Defense Secretary William Perry had argued that land-based intercontinental ballistic missiles are no longer needed.  Concluding that, “the time has come to think seriously about whether that leg of the traditional air-sea-land triad should be gradually retired”.   Only one letter was published on 15 August that partly addressed the real problem associated with this leg of the triad.  Here is the letter I wrote that addresses the issue:

To the Editor:

William Perry, as you report in your editorial of 8 August, is correct that land-based intercontinental ballistic missiles are no longer needed. What was not said is that their mere existence increases the probability of accidental war.  As former defense secretary Perry well knows, these missiles are not survivable under nuclear attack.  Historically, and no doubt currently, the lack of survivability drives national policy to a launch-on-warning posture.  What this means is that when satellite and radar systems both indicate a massive ballistic missile attack, the President is given barely enough time to make a couple of phone calls before he must make the decision to launch the missiles or lose them.  It has happened in the past that both satellite and radar systems have falsely indicated a nuclear attack.  The nation went to the highest defense readiness condition but luckily the indication of an attack was found to be a false alert before the President was called.

At one time land-based ballistic missiles had a greater accuracy than survivable sea-based systems, but this hasn’t been the case for many years.  The country would be well served by taking this opportunity to unilaterally eliminate them.

General Interest
Nuclear Policy
Politics

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THE CHIRAL ANOMALY, DIRAC AND WEYL SEMIMETALS, AND FORCE-FREE MAGNETIC FIELDS

The chiral anomaly is a purely quantum mechanical phenomenon that has a long history dating back to the late 1960s. Surprisingly, it has recently made a macroscopic appearance in condensed matter physics. A brief introduction to the relevant features of this anomaly is given and it is shown that its appearance in condensed matter systems must involve force-free magnetic fields, which may help explain the long current relaxation times in Dirac and Weyl semimetals.

http://arxiv.org/abs/1605.09214

Canadian Journal of Physics: Published on the web 13 March 2017, 10.1139/cjp

The published version is available here:

cjp-2016-0522

Physics

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SENSE, THOUGHT, AND CONSCIOUSNESS

The late 19th and 20th centuries brought a revolution in the scientific understanding of the universe around us, one whose effects are still being felt around the world as it forces people to change their conception of the universe and the place of human beings within it.  Perhaps the greatest remaining mystery is the nature of consciousness itself, which has been a subject of human inquiry for at least the last several millennia. In this essay, I discuss the nature of thought and consciousness and argue that that consciousness and thought are natural biological phenomena.

Updated version (4 April 2016)

SENSE, THOUGHT & CONSCIOUSNESS-Rev 1 (2016)

Biology
Essays in Science
General Interest

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THE PARTICLE ENIGMA

The idea that particles are the basic constituents of all matter dates back to ancient times and formed the basis of physical thought well into modern times. The debate about whether light was a wave or a stream of particles also lasted until relatively recently. It was the advent of de Broglie’s work and its implications that revolutionized the concept of an elementary particle–but unfortunately did not banish the idea of a point particle despite its difficulties in both classical and quantum physics. Some of these problems are discussed in this essay, which covers chiral oscillations, Penrose’s “zigzag” picture of particles satisfying the Dirac equation, and some ideas derived from string theory.

THE PARTICLE ENIGMA

http://arxiv.org/abs/1603.07156

Essays in Science
Physics

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