Category Archives: Multiverse Mania

The Ultimate Guide to the Multiverse

Yet another cover story about the Multiverse can be found this week at New Scientist, which calls it The Ultimate Guide to the Multiverse. As just one more in a long line of such stories over the last decade, a … Continue reading

Posted in Multiverse Mania | 52 Comments

Welcome to the Multiverse

The October issue of Discover magazine has a new feature, a column by Sean Carroll, whose inaugural effort is now on-line as Welcome to the Multiverse. Sean makes the argument that opposition to multiverse mania is due to people having … Continue reading

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P-adic Numbers and Cosmology

The next math department colloquium at Stanford will feature Lenny Susskind lecturing on p-adic numbers and cosmology, here’s the abstract: The biggest conceptual problem of cosmology is called the measure problem. It has to do with the assignment of probabilities … Continue reading

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This Week’s Hype

I noticed today that BBC News has a story headlined ‘Multiverse’ theory suggested by microwave background that assures us that: The idea that other universes – as well as our own – lie within “bubbles” of space and time has … Continue reading

Posted in Multiverse Mania, This Week's Hype | 25 Comments

Questions About the Multiverse

The August issue of Scientific American has the multiverse on the cover, with a skeptical feature article on the topic by George F. R. Ellis, Does the Multiverse Really Exist?, which argues that heavily promoted multiverse research isn’t really testable … Continue reading

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Bad Boys of Physics

Scientific American is running a Bad Boy of Physics story (also see here) in the July issue, about Lenny Susskind. Here’s the “nut graph”: Physicists seeking to understand the deepest levels of reality now work within a framework largely of … Continue reading

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This Week’s Hype

The latest New Scientist has a much larger dose of M-theory/multiverse hype than I’ve seen in one place in quite a while. There’s a four-part series on M-theory (here, here, here and here) by Mike Duff. It tells the story … Continue reading

Posted in Multiverse Mania, This Week's Hype | 47 Comments

Cosmological Interpretations of Quantum Mechanics

It seems that there’s now a new burgeoning field bringing together multiverse studies and interpretational issues in quantum mechanics. Last year Aguirre, Tegmark and Layzer came out with with Born in an Infinite Universe: a Cosmological Interpretation of Quantum Mechanics, … Continue reading

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Hawking and the Google Zeitgeist

Today is the first day of this year’s Google Zeitgeist gathering of high-powered world leaders and thinkers (described here, it seems that Google either doesn’t believe in having a web presence, or it’s a secret one. Anyway, my attempts to … Continue reading

Posted in Multiverse Mania | 49 Comments

Recent NSF Grants

In responding to a comment on the previous posting, I was curious if one could easily get some data on relative sizes of grants in mathematics and physics, so started to do a quick search on nsf.gov. Among the first … Continue reading

Posted in Multiverse Mania | 29 Comments