Author Archives: gmcdavid

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About gmcdavid

Retired IT professional with a wide range of interests. Married. Three sons, two with autistic-spectrum disorders and the third being transgender with Ehlers-Danlos syndrome. From Chicago but now living in the Twin Cities metro, Minnesota. Episcopalian. Carleton College (BA 1972, physics) and Stanford University (MS 1974, Applied Physics; MS 1976 Statistics).

The End of Time …

simulated in a Maryland lab

The Big Crunch: Physicists Make Time End

Physicists Recreate ‘End Of Time’ in Lab

(The technical details) Hyperbolic metamaterial interfaces: Hawking radiation from Rindler horizons and the “end of time”

It should be noted that this is a simulation of one possible way our universe might evolve, one that current observations suggest is incorrect. However, it is a solution of Einstein’s equations of General Relativity, and as such well worth studying.

When I was much younger something like this might have been called an “analog computer.” I have not seen that term much lately.

From Cocktail Party Physics

The Onion imitates Life

From Best of the Web Today

“Shuttle’s Last Flight Leaves Russia With Space Monopoly”–headline, The Wall Street Journal, July 7

“USSR Wins Space Race as U.S. Shuts Down Shuttle Program”–headline, Onion, July 27

In the end, the U.S. is left to ponder an irony: It won the technological race to develop a space shuttle but lost the war. “You can argue that the Russians were on the right trajectory all along, by flying big, dumb boosters,” said Duke University space historian Alex Roland.

What the Norwegian shooter believes, in his own words

From
The Norway Massacre: Born of Ideology or Belief?
via

From Arne Fjeldstad: Belief? Ideology? Faith?”

It is not required that you have a personal relationship with God or Jesus in order to fight for our Christian cultural heritage and the European way. In many ways, our modern societies and European secularism is a result of European Christendom and the enlightenment. It is therefore essential to understand the difference between a “Christian fundamentalist theocracy” (everything we do not want) and a secular European society based on our Christian cultural heritage (what we do want).

The European cultural heritage, our norms (moral codes and social structures included), our traditions and our modern political systems are based on Christianity – Protestantism, Catholicism, Orthodox Christianity and the legacy of the European enlightenment (reason is the primary source and legitimacy for authority).

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