Category Archives: science

PROMPT: Best Restaurant

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Daily writing prompt
Which is the best restaurant in your city?
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I haven’t tried them all. Supposedly, there could be as many as 6,600 restaurants in the greater metropolitan area (but there are at least 2,700.) I eat out once or twice a week when at home, so… Plus, I have no idea what constitutes “best,” and I don’t trust single experiences as evidence. I once thought I’d had the best fried chicken in the world from a vendor cart in Bangkok. The chicken was probably okay, but I think the fact that I’d walked ten miles and hadn’t eaten in as many hours pushed said chicken into its exalted spot. And I very much don’t trust hype. Long story short, I guess we’ll never know.

BOOK: “What If? 2” by Randall Monroe

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What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions (What If?, #2)What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions by Randall Munroe
My rating: 5 of 5 stars

Author site

The Venn Diagram intersect of “hilarious” and “educational” tends to be sparsely occupied territory, but it’s where Randall Monroe lives. This sequel continues the approach set in the original volume, take a completely absurd question that can be answered with science and do just that with frequent interjections of sarcasm. Some examples of the questions addressed are: How many pigeons would it take to fly a person to the top of a skyscraper? Can all the world’s bananas fit in all the world’s churches? How much real dinosaur is in a plastic toy dinosaur? How many people worth of dead skin cells does a person consume and inhale over a lifetime?

The book uses many stick figure cartoons and other line drawings to both clarify the material and for the sake of humor. While it might seem like these questions could be answered hastily (as a dad might by saying, “You’re an idiot. Go away!”) most take several pages of elaboration because Monroe considers the many complexities of the question and of finding a scientific answer. There are sections throughout called “Short Answers” which include many a question so ridiculous or intuitive that being dismissive seems like the right approach.

If you’re interested in science but still find it goes down better with chortles and chuckles, I’d highly recommend this book.

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Strange Planet

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PROMPT: Topics

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Daily writing prompt
What topics do you like to discuss?
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Anything but myself. Unfortunately, that seems to be the main mode of social discourse in the world. People mostly want to hear enough about me that they feel justified in telling me more about them. I’m an ideas guy: philosophy, science, literature, technology, economy, international affairs, etc. (Also, travel, but that only works with travelers — a tiny segment of the population.)

PROMPT: Never Want to Visit

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What place in the world do you never want to visit? Why?
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The molten core. Because it’s not a dry heat.

PROMPT: Don’t Understand

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What’s something most people don’t understand?
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The substance of financial crises. Not to mention Quantum Mechanics and Calculus. Really, there’s virtually nothing that most people do understand. Have you met most people? They’re kind of dim.

But seriously, the thing that has been striking me lately is how often zero-sum thinking is applied to non-zero-sum games. Put simply, people often believe they are in a situation in which every gain by someone else corresponds to a loss for them, when that is often not the case. Manipulation to convince people otherwise is in full swing. People are being led to believe they have to worry if others are complimented or are doing well because it reflects poorly on them, when — in fact — it does not (necessarily.)

Orbit [Haiku]

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Photograph of two marble spheres in the Westside Park of Atlanta.
two bodies 
 orbiting each other:
  without distance, crash.

BOOK: “Scientific Jiu-jitsu” by Will Weisser

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Scientific Jiu-Jitsu: A Unified Theory of Grappling (Martial Science)Scientific Jiu-Jitsu: A Unified Theory of Grappling by Will Weisser
My rating: 4 of 5 stars

Publisher Site – YMAA Publication Center

Release date: June 2, 2026

This book outlines principles of positioning, alignment, and movement used to gain advantage while grappling. It is not a technique-centric book but rather is a concept-centric one. Weisser does for Brazilian Jiu-jitsu what Jiichi Watanabe and Lindy Avakian did for Judo with their book alternatively titled The Secrets of Judo or The Art and Science of Judo. Watanabe and Avakian focused more on both technique and elementary physics than does Weisser, but there is common ground in ideas of what positions make a body strong and what movements bring vulnerability. The biggest area of divergence between Watanabe’s book and Weisser’s is simply the difference between Judo and Brazilian Jiu-jitsu. Watanabe and Avakian direct the vast majority of their attention to how one gets the opponent to the ground and relatively little on what to do when one gets there, and Weisser’s book is the other way around — i.e. primarily assuming at least one person is already on the ground.

Weisser’s book does assume that the reader has a background in Brazilian Jiu-jitsu, using terms specific to that system without necessarily providing elaboration. I say this just to point it out as (to be fair) I realized that I would have thought nothing of it if it used Japanese Jujutsu / Judo terminology in the same way. (I did have to go to Google at one point to elucidate what turned out to be a Dragonball-Z reference that went right over my head.)

Weisser’s book uses a combination of graphics, including photographs. I found it easier to see the linkage between what the author was describing in the text and what was in the photos in some cases than in others. Often, there was a single photo catching one static situation, and if the grapplers were closely entangled (as grapplers are want to be,) it was not so easy to see — even with different colored uniforms. [Note: I should point out that I was reading an ARC galley, and so that may all be sorted in the final formatting.]

As one who knows little of Brazilian Jiu-jitsu, but with some experience with other grappling systems, I found this book readable and thought-provoking. The statement of ideas is clear, and I’d recommend it for grapplers looking to engage in thinking about first principles of grappling.

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BOOK: “Mathematical Finance: A Very Short Introduction” by Mark H. A. Davis

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Mathematical Finance: A Very Short Introduction (Very Short Introductions)Mathematical Finance: A Very Short Introduction by Mark H.A. Davis
My rating: 4 of 5 stars

Publisher Site – OUP

This is Oxford University Press’s Very Short Introduction to the field of the “Quants,” individuals who apply mathematics to questions of how to value financial assets and assess risks. The book begins by laying out how banking and financial markets work, then discusses how interest rates are determined, and then explores the quantification of various risks faced by lenders. The book finishes by discussing how the 2008 financial crisis impacted the field and how it operates in the wake of that event. (The 2008 crisis was described in an intriguing fashion in the book and movie The Big Short. It basically resulted from deceptive grading of mortgage-backed securities such that investors who thought they had the ultimate default-proof asset in fact had assets that not only could collapse, but — in fact — were bound to.)

Even though this book is a concise introduction, it shouldn’t be confused for a simple guide. It is not only mathematically intense but also jargon dense. It’s not a complete waste for someone without any advanced mathematics and / or economics / finance background to read, but there will be large patches that will likely be lost on one. (And if you’re not at all used to reading scholarly writing, it may be excessively daunting.)

If you want a quick guide to the field of quantitative finance, and you have an understanding of the mathematical notation used in calculus and statistics, I’d recommend this book. If you are interested in the topic but aren’t at all mathematical, you might start elsewhere (the aforementioned, The Big Short, might be a good place.)

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PROMPT: Favorite Month

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Daily writing prompt
What’s your favorite month of the year? Why?
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Northern or Southern hemisphere? Landlocked or coastal? Temperate or Equatorial? I need more information.