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# Category Archives: Multiverse Mania

## This Month’s Hype

It seems that a couple of the authors of the recent Cosmic Controversy letter (discussed here) are going on a campaign to embarrass the 29 physicists who were convinced to sign their letter. Andrei Linde has gone to Lubos Motl’s … Continue reading

Posted in Multiverse Mania, This Week's Hype
49 Comments

## A Cosmic Controversy

A couple months ago Scientific American published an article by Ijjas, Steinhardt and Loeb (also available here), which I discussed a bit here. One aspect of the article was its strong challenge to multiverse mania, calling it the “multimess” and … Continue reading

Posted in Favorite Old Posts, Multiverse Mania
53 Comments

## Why String Theory is Still Not Even Wrong

John Horgan recently sent me some questions, and has put them and my answers up at his Scientific American site, under the title Why String Theory is Still Not Even Wrong. My thanks to him for the questions and for … Continue reading

Posted in Fake Physics, Multiverse Mania
37 Comments

## Can the Laws of Physics be Unified?

There’s a new book out this week from Princeton University Press, Paul Langacker’s Can the Laws of Physics Be Unified? (surely this is a mistake, but there’s also an ISBN number for a 2020 volume with the same name by … Continue reading

Posted in Book Reviews, Multiverse Mania
25 Comments

## Various News

First some mathematics items: Igor Shafarevich, one of the great figures of twentieth century algebraic geometry and algebraic number theory, died this past weekend at the age of 93. Besides his many contributions to mathematics research, he was also a … Continue reading

Posted in Multiverse Mania, Uncategorized
15 Comments

## Fake Physics

2016 so far wins my lifetime award for most depressing and disturbing year ever (on the front of the larger world one reads about in the newspaper and elsewhere, personally things are fine, thanks). Perhaps the most disturbing thing has … Continue reading

Posted in Fake Physics, Favorite Old Posts, Multiverse Mania
61 Comments

## New Year’s Multiverse

I see little to be hopeful about the new year, but had a glimmer of a hope that we’ll see a reduction in Multiverse Mania. Surely people will sooner or later get tired of stale pseudo-science. Just got back to … Continue reading

Posted in Multiverse Mania
73 Comments

## Various Links

A grab-bag of unrelated topics and links: Continuing the subject of budget cuts from the last posting, I heard today that the NSA is not funding this year the grant program that the AMS has been running for it, called … Continue reading

Posted in Langlands, Multiverse Mania, Uncategorized
29 Comments

## Entanglement, the Multiverse and the Universe

“Entanglement” is the current buzzword of physics, here are two new stories featuring this: Back in 2013 one could read lots of claims in the media that “Hard evidence for the multiverse” had been found, based on “effects of quantum … Continue reading

Posted in Multiverse Mania
22 Comments

## This Week’s Hype

One possible reaction to the phenomenon of hype in fundamental physics is to not worry much, figuring that it should be a self-limiting process. While there’s a huge appetite in the media and elsewhere for the “exciting new idea”, overhyped … Continue reading

Posted in Multiverse Mania, This Week's Hype
9 Comments