Author Archives: Dennis SILVERMAN

About Dennis SILVERMAN

I am a retired Professor of Physics and Astronomy at U C Irvine. For a decade I have been active in learning about energy and the environment, and in lecturing and attending classes at the Osher Lifelong Learning Institute (OLLI) at UC Irvine.

The Basis of Mathematics in Biology and Evolution

The discovery of genetics by Gregor Mendel relied on experiment, and the discovery of evolution by Charles Darwin was based on reasonable arguments, until the discovery of a true mathematical or chemical basis for both in the discoveries of the … Continue reading

Posted in Mathematics, Philosophy of Science | Leave a comment

Symmetries in the Mathematical Description of Nature

Part of the consideration of the question of the connection of mathematics to the understanding of nature is the discovery of symmetries in nature, and the formulation of this symmetry in mathematics.  Symmetry was established in this connection when Emily … Continue reading

Posted in Cosmology, Particle Physics, Philosophy of Science | Leave a comment

The Effectiveness of Mathematics in Describing the Universe

NOVA just had a show on this question.  But besides the original question is that of what type of answer are you looking for, or what answer will you accept?  Otherwise the question is largely undefined. There are several simple … Continue reading

Posted in Cosmology, Particle Physics, Philosophy of Science | Leave a comment

The Architecture of Trees versus that of Buildings

I used to like to take pictures of UCI buildings as I walked around the campus.  Now I am fascinated by the trees.  There are 53 types of trees in the central, circular area Aldrich Park.  That is named in … Continue reading

Posted in UC Irvine, UC Irvine Trees | Leave a comment

Replying to the OC Register on the UC Regents, the UCI Law School, and the Cost of UC Irvine Housing

The OC Register had an article by a Contributing Writer, California Assemblyman Tom Lackey, on Sunday, March 15, 2015.  The article was titled “UC system disconnect”, and contained misrepresentations about the UC Regents.   I also wanted to discuss the … Continue reading

Posted in California University Rankings, Education, UC Irvine, University Funding | Leave a comment

California Universities in The Times Higher Education World Reputation Rankings 2015

Here we present the California Universities in The Times Higher Education World Reputation Rankings 2015. These rankings are based on reputation, rather than weighting performance in a set of criteria.  They were based on surveying 10,507 experts in academic subjects, … Continue reading

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The ACA and the Meaning of “established by the State”

It seems to me the key to interpreting the Affordable Care Act subsidies to the states that use the federal exchange is the meaning of the word “established”.  The states that have their own exchange and the federal system were … Continue reading

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House Climate Deniers In Charge of the Energy and Commerce Committee and Subcommittees

In January, 2014, all 24 Republicans on the Energy and Commerce Committee (E & C) defeated an amendment 24-20 that stated that climate change was occurring and was caused by greenhouse gas pollution. Two subcommittees recently held hearings on the … Continue reading

Posted in Climate Change, Fossil Fuel Energy, Greenhouse Gas Emissions, Politics | Leave a comment

House Science Committee Heads Who are Climate Change Deniers, and Effects of Global Warming on Their States

The House Committee on Science, Space, and Technology is now headed by Representative Lamar Smith, Republican of Texas.  He is a denier of man-made climate change, and has complained that the major networks have not aired views of climate skeptics. … Continue reading

Posted in Climate Change, Coal, Electric Power, Fire Risks, Greenhouse Gas Emissions | Leave a comment

Robert Reich’s Talk at UC Irvine on Income Inequality

Robert Reich gave a talk at UC Irvine on Feb. 5, 2015.  This is a summary of that talk and the film that he showed.  Robert Reich was Secretary of Labor for Bill Clinton from 1993 to 1997.  He is … Continue reading

Posted in Economies, Education, Greenhouse Gas Emissions, Nuclear Weapons, UC Irvine, Wealth | Leave a comment