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.

Trump and AG Jeff Sessions Fuel Protests

Trump and AG Jeff Sessions Permit Police Abuse, Fueling Protests On Feb. 28, 2017, Attorney General Sessions told the National Association of Attorney Generals that the Justice Department would no longer monitor troubled police departments. He also plans to leave … Continue reading

Posted in Donald Trump, Equal Treatment Under the Law, Freedom of Speech, Rahm Emanuel, Trump Administration | Leave a comment

Southern California Earthquake Preparedness

Southern California Earthquake Preparedness Mexico’s Early Warning Earthquake system worked in the 7.1 earthquake this week, giving 20 seconds warning for a quake that was 70 miles from Mexico City. Further cities got up to a minute of warning. Mexico … Continue reading

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Please Teach Trump What Bastille Day Celebrates

Please Teach Trump What Bastille Day Celebrates Trump, having witnessed the Bastille Day or French National Day Parade, has decided that he needs that pomp of having a July 4 Parade next year showing off our military hardware. France’s parade … Continue reading

Posted in AHCA, Climate Change, Donald Trump, First Amendment, Freedom of Speech, Freedom of the Press, Freedoms, Health Care, Houston Flooding, Hurricane Irma, Kellyanne, Tax Laws, Trump Administration, Trump on Climate Change, Trump Taxes, Upward Mobility, Voting Rights, Wealth, White House | Leave a comment

Challenges to the Breakthrough Starshot Dream

I hate to be an old skeptic about revolutionary technological ideas such as the Breakthrough Starshot laser driven sails to send exploration computer chips to Alpha Centauri. Especially since groups of brilliant scientists are already at work solving these problems, … Continue reading

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Mars Walking Robotic Explorers

While we have great slow rovers for robotic Mars exploration, and we had the moon rovers for manned exploration, we need a new kind of robot for lava tube exploration on Mars. The surface of Mars is exposed to solar … Continue reading

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Top California Universities in the 2018 US News and World Report Rankings

We list the top ranked California Universities in the 2018 US News and World Report Rankings, with their ranking number (dropping the word “tie”), and their undergraduate enrollments.  What I really like to look at is the evaluation score, but … Continue reading

Posted in California University Rankings, UC Admissions, University Rankings | Leave a comment

UC Irvine in US News and World Report 2018 Rankings

UC Irvine has scored a 9th (tie) ranking nationally among Public Universities in the 2018 US News & World Report rankings.  It is 42nd (tie) among National Universities. UC Irvine has 27,331 undergraduates, and 32,754 total students.  Its in-state tuition … Continue reading

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Reflections on the Exploration for Life on Mars

Imagine we lived in a scientific society, without any religions or belief in God. Then we wouldn’t have alternate stories or a Bible to explain fundamental questions as the origin of the universe, or the solar system, or the earth, … Continue reading

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Hurricane Wind Force Increases as the Square of the Velocity

Hurricane Wind Strength Goes Increases as the Square of the Velocity We show the relative force strengths associated with the velocities starting the various category storms, and with the very high velocity of Hurricane Irma. Force is generated by the … Continue reading

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California Universities in the Times Higher Education World Rankings, 2018

We cite the California Universities in the Times Higher Education World Rankings for 2018.  An = in the rankings mean a tie for that rank.  We also list the student/staff ratio for that University.  I assume staff means teaching staff. … Continue reading

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