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# Category Archives: Multiverse Mania

## Cosmology for the Curious

There’s a new college-level textbook out, Cosmology for the Curious, targeted at physics courses designed to explain basics of cosmology to non-physics majors. The authors are Delia Perlov and Alex Vilenkin. Back in 2006 Vilenkin published a popular book promoting … Continue reading

Posted in Book Reviews, Multiverse Mania
26 Comments

## Multiverse Politics

The political campaign for the multiverse continues today with a piece by Amanda Gefter at Nautilus. It’s a full-throated salvo from the Linde-Guth side of the multiverse propaganda war they are now waging, with Linde dismissing Steinhardt’s criticism as based … Continue reading

Posted in Multiverse Mania
37 Comments

## A Few Quick Items

I’ve had little time for blogging, and coincidentally, there seems to be little to blog about recently. Here though are a few quick items: Several people had asked me about this paper about the CC, and I had to tell … Continue reading

Posted in Multiverse Mania, Uncategorized
10 Comments

## 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 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, 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