The Abyss, by Jere Cunningham

Book 9 of my 26 books for 2024 goal! (If you notice that book 8 is missing on the list, that was a private review of an upcoming book for a publisher, which I’m counting, because I’m way behind!)

A lot of horror novels work by being unpredictable, and providing a lot of twists and turns that keeps the reader guessing — and shocked — throughout their run. Others, however, have a sense of doomed inevitability to them, where the reader knows with near certainty that doom is approaching, and the book is all about following that painful path to the horrific end. Joan Samson’s The Auctioneer is a book that is like that, where from the very first page you are inexorably ground down. I immediately thought of it as I finished reading The Abyss (1981) by Jere Cunningham, which has recently been reprinted by my friends at Valancourt Books.

The novel is set in the Appalachian hill town of Bethel, which has been in decline for years after the abrupt closure of M-19, the nearby coal shaft that is the deepest ever dug. The mine was closed after an accident, but the coal company is back to reopen it and bring employment and prosperity to the people of Bethel, who welcome it.

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17 years of Skulls in the Stars!

Hi all!

I’m still finishing the draft of my electromagnetic optics textbook, which I told the publisher I’d finish on Monday. So, as you might expect, that’s been consuming most of my attention lately and I haven’t had time to blog.

But I wanted to note that I was reminded that my blog turned 17 years old today!

That’s a lot of years, and a lot of posts, and hopefully much more to come!

Anyway, thanks for reading, and will see you all soon!

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The discovery of ultraviolet light

As some of you may know, I’ve been working on a textbook on Electromagnetic Optics for a year now, and am near the end of the process. In finishing it, I wrote an introductory chapter that reviews the whole electromagnetic spectrum, from radio waves to gamma rays, and gives an overview of the properties of each band and the history of its discovery.

To write the history, I went back and referred to my book on the history of invisibility (which I’m sure you’ve heard me talk about before). When I got to the discovery of ultraviolet light, however, I noticed that I didn’t include a reference to the original paper of the discovery, which is odd, because I always try to do so. So, this led me to track down that original source (and explains why I didn’t originally include it).

So let’s talk a bit about the discovery of ultraviolet light, and share in its entirety the first announcement of the discovery!

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Just a small note!

Hi folks, I just realized I haven’t posted for a while, but there’s a good reason — I’m in the final month of finishing up a new textbook, which is due on August 15, so all of my writing energy is going there! Once that gets finished, I will get back to a more consistent blogging schedule. I might drop a couple of short posts before then, depending on my mood.

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Memories of Emil Wolf

2024 marks the 65th anniversary of a significant milestone in optics: the publication of Principles of Optics by Max Born and Emil Wolf, a comprehensive book on physical optics that has been cited some 78,000 times in the scientific literature according to Google Scholar. The book went through seven editions before the passing of both coauthors, with the seventh expanded edition released by Cambridge University Press in 1999. It is a scientific book influential enough to have its own Wikipedia page.

The first edition of Principles of Optics, released in 1959, was a completely expanded and revised edition of Max Born’s own optics book, Optik, that had only appeared in German. Born was close to retirement age, and he enlisted the aid of a bright young PhD of Czech descent, Emil Wolf, to help him with the work. Wolf at that time was very interested in the field of optical coherence, i.e. how the statistical properties of light influence its observable properties, and he pushed to include a chapter on coherence in the book. This turned out to be a very fortuitous decision, as the first laser was invented in 1960, and coherence theory was crucial for understanding the properties of this strange new source of light. This helped catapult Principles of Optics into being perhaps the book on the fundamentals of optical physics for the next 60-plus years.

To commemorate this anniversary, Optics & Photonics News released a retrospective article on the writing of the book and its revision in 1999 (subscription required, alas). The author Patricia Daukantas, reached out to me for some of my thoughts on the 1999 edition, as I was a student of Emil Wolf at that time. I also provided a few high-resolution photos of Emil and his students that I had in my possession. Only one of them was used in the final article, so I thought I would share them here and a few words about each.

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RIP Zoe, 2006-2024

It’s taken me a few days to write this post, as this hit me really hard. Two Tuesdays ago, June 4th, I had to say goodbye to my eldest cat Zoe. It has been such a hard loss that it has taken me this long to feel okay even writing a memorial post for her.

Zoe in 2010.

The night that we let her go, there was a powerful thunderstorm and the power went out. To me, it was as if the heavens themselves had opened up at Zoe’s passing.

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Horrorstör, by Grady Hendrix

Book 7 of my 26 books for 2024 goal! Getting closer to catching up.

Okay, so this is one of those books that I’ve meant to read for years and never quite got around to! I came close about a year ago, when I finally broke down and bought a copy… however, I left it on the floor next to the couch and a cat managed to puke on it. I only got around to getting a new copy a couple of months ago, and have finally read it.

The book in question is Horrorstör, by Grady Hendrix.

As is clear from the title and the image, Horrorstör is a haunted house story set in what amounts to an Ikea! It is a quite entertaining story, though I wouldn’t exactly refer to it as “horror comedy” as it is referred to on Wikipedia.

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Just because

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Frankenstein, by Mary Shelley

Book 6 of my 26 books for 2024 goal! Way behind in reading now due to life, but working on it.

One of my big hangups in life is that I suffer from “already seen it” syndrome, as I just made up a name for it: if a story has permeated the public consciousness sufficiently and I am even familiar with a bastardized version of it, I am very unmotivated to visit the source material.

For this reason, in part, I had never gotten around to reading the novel that largely launched modern science fiction and horror, Mary Shelley’s Frankenstein. The other reason I had never gotten around to reading it is because the printed versions of it, being an old public domain novel, have largely been very cheap and disposable, and I like pretty books.

But check out this Union Square & Co. deluxe edition!

This gorgeous edition includes lovely illustrations by John Coulthart, and finally convinced me to read the book.

There probably isn’t that much I can say about such a famous, hyper-analyzed book that hasn’t been said before, so I’ll share a few of my random observations.

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Robert Williams Wood and the mystery of anomalous dispersion (1901)

I’ve been hard at work in recent months on a new textbook on electromagnetic waves, and that has led me to dig deep into understanding a number of subjects, and their history, that I have only really casually considered in the past. One topic that jumped out at me is the phenomenon of so-called “anomalous” dispersion. This name indicates that it is different from “normal” dispersion, which is the phenomenon that causes a prism to break up white light into a rainbow, as illustrated on Pink Floyd’s Dark Side of the Moon album cover:

Pink Floyd’s Dark Side of the Moon album cover, showing the principle by which the spectrum of light is generated.

In a prism, the angle at which light is refracted by the glass depends on the frequency of light, i.e. its color. In normal dispersion, the higher frequency light (blue and violet) is refracted more strongly than the lower frequency light (red and yellow). In anomalous dispersion, roughly the opposite happens: lower frequencies are refracted more than higher frequencies!

I thought it would be fun to talk a bit about the history of anomalous dispersion, which gets at some of the physics of matter, and also allows me to share lots of pretty pictures taken by Robert Williams Wood, who studied the phenomenon in the early 1900s!

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Posted in History of science, Optics, Physics | 1 Comment