Author Archives: woit

The Number of the Heavens

Multiverse mania seems to have been dying down recently, with this only the third entry in that category here so far this year, after 10 in 2018, 13 in 2017, 10 in 2016, 17 in 2015, 18 in 2014, 12 … Continue reading

Posted in Book Reviews, Multiverse Mania | 10 Comments

Metaphorical Worlds Interpretation

Chad Orzel has a piece at Forbes which I like a lot, where he argues that the “Many Worlds” of the MWI interpretation should be taken metaphorically, and thus the MWI really should be the “Metaphorical Worlds Interpretation”. I urge … Continue reading

Posted in Quantum Mechanics | Comments Off on Metaphorical Worlds Interpretation

Some background on “high energy physics”

There was a workshop last week at the Harvard CMSA, focusing on new ideas about physics rooted in topology. Talks are available on the workshop webpage, and those interested in high energy physics might be most interested in the ones … Continue reading

Posted in Uncategorized | 14 Comments

Chasing Einstein

Last night I went to a showing of Chasing Einstein, a new documentary about the search for dark matter. It’s quite well done, and if you’re near New York, Berkeley or LA, you might want to take the opportunity to … Continue reading

Posted in Film Reviews | 15 Comments

An Apology

I’m afraid I made a serious mistake in this previous posting discussing Sean Carroll’s new book. Since the book was relatively reasonable, while the jacket and promotional material that came with it were nonsense, I assumed that Carroll was just … Continue reading

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Regarding Papers about Fundamental Theories

Discussion in the comment section of the previous blog entry led me to do a little bit of historical research this morning, and I thought I’d write up the results here. First of all, for some interesting comments from people … Continue reading

Posted in Quantum Mechanics | 26 Comments

Quantum Supremacy II

About the only thing that has transcended the bitter partisan divisions between Democrats and Republicans in the US during recent years has been quantum mechanics, with the enactment late last year of the National Quantum Initiative Act (the NQI was … Continue reading

Posted in Quantum Mechanics | 26 Comments

Some Math News

My Columbia colleague Patrick Gallagher passed away a few months ago at the age of 84. He had only recently retired, and for many years was the longest serving member of the department and an important part of its institutional … Continue reading

Posted in Langlands, Obituaries | 7 Comments

Something Deeply Hidden

Sean Carroll’s new (available in stores early September) book, Something Deeply Hidden, is a quite good introduction to issues in the understanding of quantum mechanics, unfortunately wrapped in a book cover and promotional campaign of utter nonsense. Most people won’t … Continue reading

Posted in Book Reviews, Multiverse Mania | 76 Comments

What’s the difference between Copenhagen and Everett?

I’ve just finished reading Sean Carroll’s forthcoming new book, will write something about it in the next few weeks. Reading the book and thinking about it did clarify various issues for me, and I thought it might be a good … Continue reading

Posted in Quantum Mechanics | 27 Comments