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Books

A book so good I had to put it down

by John on February 12, 2010

“I couldn’t put it down.”  “A real page-turner.” That’s how you might describe a good novel to take on vacation. But for more serious reading, a good book is one you have to put down. Thoreau put it this way:

A truly good book teaches me better than to read it. I must soon lay it down, and commence to living on its hint.

Some books take a long time to read, not because they are dull, but because they are exciting. You have to put them down frequently to think about what you’ve read before reading more. It may not be the content of the book per se but the thoughts the book sparks that make you have to put it down.

What are some books you had to put down frequently because they stirred your thinking?

Related posts:

C. S. Lewis on reading old books
Why are bad guys so interesting in novels?
Worthless technical books
Tim Bray’s high-tech monastic cell

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Malaria on the prairie

by John on February 9, 2010

My family loves the Little House on the Prairie books. We read them aloud to our three oldest children and we’re in the process of reading them with our fourth child. We just read the chapter describing when the entire Ingalls family came down with malaria, or “fever ‘n’ ague” as they called it.

The family had settled near a creek that was infested with mosquitoes. All the settlers around the creek bottoms came down with malaria, though at the time (circa 1870) they did not know the disease was transmitted by mosquitoes. One of the settlers, Mrs. Scott, believed that malaria was caused by eating the watermelons that grew in the creek bottoms. She had empirical evidence: everyone who had eaten the melons contracted malaria. Charles Ingalls thought that was ridiculous. After he recovered from his attack of malaria, he went down to the creek and brought back a huge watermelon and ate it. His reasoning was that “Everybody knows that fever ‘n’ ague comes from breathing the night air.”

It’s easy to laugh at Mrs. Scott and Mr. Ingalls. What ignorant, superstitious people. But they were no more ignorant than their contemporaries, and both had good reasons for their beliefs. Mrs. Scott had observational data on her side. Ingalls was relying on the accepted wisdom of his day. (After all, “malaria” means “bad air.”)

People used to believe all kinds of things that are absurd now, particularly in regard to medicine. But they were also right about many things that are hard to enumerate now because we take them for granted. Stories of conventional wisdom being correct are not interesting, unless there was some challenge to that wisdom. The easiest examples of folk wisdom to recall may be the instances in which science initially contradicted folk wisdom but later confirmed it. For example, we have come back to believing that breast milk is best for babies and that a moderate amount of sunshine is good for you.

Related posts:

A little coffee on the prairie
Galen and clinical trials
Randomized trials of parachute use

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Multitasking

by John on December 26, 2009

Countless articles tell us that multitasking makes us less efficient — we’re not as good at multitasking as we suppose. But here is a new criticism: multitasking makes us shallow.

If you don’t want to sink, you learn to surf; you have to. You learn how to go fast, but smooth, through a huge amount of stuff — at work, at home, in the store, in the street. Multitasking means learning how to double back and reshuffle at the least hint of resistance, it means missing most of what goes on around you but learning not to regret it because nothing is that much more valuable than anything else, it means learning how to coast through meetings on zero information … You are compensated for the loss of buffers and boundaries built into the old real world of separated times and spaces, by an overall muffling of experience in general …

From Mediated by Thomas de Zengotita.

Related posts:

A sort of opposite to Parkinson’s law
Getting to the bottom of things
Rethinking interruptions
Emily Dickinson versus Paris Hilton

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Currency in British literature

by John on December 22, 2009

A few days ago my family and I went to see a stage performance of Charles Dickens’ A Christmas Carol. For years I’ve glossed over references to money when reading British literature but I’ve intended to figure out how it all worked before decimalization. Watching A Christmas Carol prompted me to finally do it.

Many thanks to my British friend Samuel Jack for helping me sort things out. Any errors in this post are mine and not Sam’s. If you find an error or omission below, please leave a comment.

The most basic denominations were pound, shilling, and penny. The pound and shilling had the nicknames quid and bob respectively.  (The plural of “penny” is “pence.” The terms “quid” and “bob” are both singular and plural.) A pound equaled 20 shillings and a shilling equaled 12 pence. Pound, shilling, and pence had the abbreviations “L”, “s”, and “d” which came from the Roman librae, solidi, and denarii.

A florin was two shillings and a crown was five shillings. A guinea was 21 shillings. (The reason a guinea was slightly more valuable than a pound had to do with precious metal exchange rates.)

A few more denominations were self-evident. For example,  the half crown and sixpence were worth what you’d think.

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Audio book narrators

by John on December 20, 2009

Last year I wrote a post about my favorite audio book narrators: John McDonough and Rob Inglis. Here are three more who came to mind lately.

Related posts:

Favorite audio book authors
Best voices in podcasting

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Travels with Charley

by John on November 29, 2009

Over the Thanksgiving break I read Travels with Charley, John Steinbeck’s book about his trip across America in 1961 with his French poodle Charley. I had been interested in reading the book since I saw it quoted in Dave Gibson’s blog this summer.

Steinbeck explains in the preface why he chose to go on his trip.

During the previous winter I had become rather seriously ill with one of those carefully named difficulties which are the whispers of approaching age. … And I had seen so many [older men] begin to pack their lives in cotton wool, smother their impulses, hood their passions, and gradually retire from their manhood into a kind of spiritual and physical semi-invalidism. In this they are encouraged by wives, and relatives, and it’s such a sweet trap. Who doesn’t want to be the center for concern? … I knew that in ten or twelve thousand miles driving a truck, alone and unattended, over every kind of road, would be hard work, but to me it represented the antidote for the poison of the professional sick man. … If this projected journey should prove too much then it was time to go anyway.

Travels with Charley is filled with insightful observations of ordinary people Steinbeck met along the way.There was even one brief mention of a mathematician.

The dairy man had a Ph. D. in mathematics, and he must have had some training in philosophy. He liked what he was doing and he didn’t want to be somewhere else — one of the very few contented people I met in my whole journey.

Maybe I should buy a dairy.

One of my favorite descriptions is of a man that Steinbeck didn’t meet in person: Steinbeck gives an account of the life of a man by the evidence left behind in a hotel room.

I enjoyed Travels with Charley until Steinbeck and Charley made it to the West Coast. Steinbeck’s description of his return trip is not nearly as enjoyable to read. The end of the book has fewer descriptions of people and more commentary. Steinbeck goes on and on about Texas history and Southern racism. He is looking forward to end his trip, and so are his readers. I recommend Travels with Charley some day, but I also recommend stopping after they see the giant redwoods.

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Subnatural and supernatural

by John on November 17, 2009

I recently ran across a discussion of quantum mechanics from C. S. Lewis.

The older scientists believed that the smallest particles of matter moved according to strict laws: in other words, that the movements of each particle were “interlocked” with the total system of Nature. Some modern scientists seem to think — if I understand them — that this is not so. They seem to think that the individual unit of matter … moves in an indeterminate or random fashion; moves, in fact, “on its own” or “of its own accord.”

He goes on to explain that the macroscopic behavior of matter appears deterministic because the average behavior of billions of particles is very regular. His explanation is remarkably cogent for a professor of medieval literature writing in the 1940’s. He then discusses the philosophical consequences of quantum mechanics.

Now it will be noticed that if this theory is true we have really admitted something other than Nature. If the movements of the individual units is “on their own,” … then those movements are not part of Nature. It would be, indeed, too great a shock to our habits to describe them as super-natural. I think we should call them sub-natural. But all our confidence that Nature has no doors, and no reality outside herself for doors to open on, would have disappeared. There is something outside her, the Subnatural. … And clearly if she thus has a back door opening on the Subnatural, it is quite on the cards that she may also have a front door opening on the Supernatural …

From Miracles by C. S. Lewis, chapter 3.

Related post:

The world looks more mathematical than it is

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Manage your project portfolio

by John on November 3, 2009

Most books on project management are written for someone managing one project at a time, working with a team of people who only work on that project.  Some companies work that way, but certainly not all do. I’ve seldom worked that way. At one point I “managed” so many projects that I could not tell you the exact number without looking at my list.

Johanna Rothman’s new book Manage Your Project Portfolio addresses the challenges of managing not just one project but a portfolio of projects. The book does not tell you how to work multiple simultaneous projects but rather how to get away from working on multiple projects  by prioritizing them and working on one at a time.

Here are a couple quotes from the beginning of the book.

Quite often I have the chance to visit a team to help management figure out why they’re not making much progress. When I get there, I find a small team working on more projects than they have people.

Multitasking occurs when managers don’t make decisions about which projects to do first, second, third, last, and even more important, never.

I wish I could have read Johanna Rothman’s book a decade ago. On the other hand, I would not have appreciated the book as much a decade ago. Still, it might have helped me prevent some of the errors I made. I hope that many people will read the book before they become overwhelmed and appreciate its wisdom.

Related posts:

Scaling the number of projects
Peter Drucker and abandoning projects
Programs, not just projects
Task switching
Termites and programmers
Financial control and useless projects
Feasibility studies

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How to test a random number generator

by John on October 27, 2009

Random number generators are challenging to test.

  • The output is supposed to be unpredictable, so how do you know when the generator working correctly?
  • Your tests will fail occasionally, but how do you decide whether they’re failing too often?
  • What kinds of errors are most common when writing random number generation software?

These are some of the questions I address in Chapter 10 of Beautiful Testing.

Beautiful Testing: Leading Professionals Reveal How They Test

The book is now in stock at Amazon. It is supposed to be in book stores by Friday. All profits from Beautiful Testing go to Nothing But Nets, a project to distribute anti-malarial bed nets.

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Worthless technical books

by John on October 20, 2009

I sold six technical books to a used book store on the way home today. The store paid me $5 total for four of the books. Two books they didn’t want at all. The books were not that old, but they were practically worthless.

It’s sobering to think how little a technical book is worth a few years after it is printed. It’s a good reminder to focus on things that will last.

Related posts:

Old math books
C. S. Lewis on reading old books
Mathematica turns 20

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Book review: Trade-Off

by John on October 20, 2009

I enjoyed listening to Moira Gunn’s interview with Kevin Maney, author of the new book Trade-Off: Why Some Things Catch On and Others Don’t.

The book was a little disappointing after listening to the interview. I felt I had heard most of what Maney had to say before I read the book.

In a nutshell, the message of the book is that you should either strive for fidelity (exclusivity, quality) or convenience (accessibility, affordability). You can succeed by excelling at fidelity or at convenience. But if you strive for both, you’ll lose to companies that are better at one criteria or the other. Maney gives several interesting examples of companies that have succeeded along the edges of the fidelity/convenience graph but then failed when they started pursuing the diagonal.

Related post:

I am not an operating system (how Microsoft and Apple are forced into their respective marketing positions)

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Elements of Statistical Learning

by John on October 14, 2009

The authors of the classic The Elements of Statistical Learning have made their book available for download as a PDF.

Elements of Statistical Learning

The Elements of Statistical Learning: Data Mining, Inference, and Prediction, Second Edition, by Trevor Hastie, Robert Tibshirani, and Jerome Friedman.

Thanks to Gregor Gorjanc for the tip.

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A 3,000 page proof

by John on October 5, 2009

Mark Ronan wrote a popular book Symmetry and the Monster about the story behind the classification of finite simple groups, or as Ronan calls such groups, the atoms of symmetry. All finite groups can be built up from simple groups somewhat like the way composite numbers are built up from prime numbers. Groups describe symmetries, and so the fundamental building blocks of groups are reasonably called atoms of symmetry. Ronan gave a lecture summarizing his book. Audio, video, and a transcript of his talk are all available here.

The classification of finite simple groups can be seen as a theorem whose proof is spread out over hundreds of articles and thousands of pages. A precise statement of the classification theorem is available here. One major piece of the puzzle is the theorem of Feit and Thompson. An entire journal issue was devoted to the 255-page proof of this one result. There is a project to simplify the proof, eliminating some of the redundancy between papers, etc. But it appears that the revised proof will still contain hundreds of pages of highly technical reasoning.

I enjoyed reading Ronan’s book a couple weeks ago. The biographical sketches in the book are the best part. The book begins with the study of symmetry via group theory, starting with the work of Évariste Galois and Sophus Lie. Someone with very little background in math could read most of the book. However, toward the end of the book when Ronan gets to the classification theorem and the role of “the monster,” he goes into more detail and there I believe he loses his audience. He goes into more detail than a non-mathematician would want to read, but not enough detail for a mathematician to understand exactly what he’s talking about.

I recommend starting with Mark Ronan’s lecture. If you want to go further, read the book, but feel free to skim over details toward the end.

(I haven’t seen a definitive count of the number of journal pages that comprise the classification proof. Ronan quotes one source who says the number of pages is “at least 3,000.” Other sources say “tens of thousands of pages.” Maybe it is unclear which papers should be included.)

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JavaScript: A picture is worth a thousand words

by John on September 28, 2009

Here’s a photo posted by David Walsh on Twitter on yesterday.

Photos of JavaScript books, the good parts being much smaller

Related links:

Programming language subsets
I wish someone would write “R, The Good Parts”
Programming language fatigue
JavaScript: The Definitive Guide
JavaScript: The Good Parts

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Interview with author Cliff Pickover

by John on August 30, 2009

A few weeks ago, Sterling Publishing sent me a copy of Cliff Pickover’s new book The Math Book. I enjoyed reading the book (see my review) and set up the interview that follows.

Clifford Pickover photo

JC: The Math Book is your first book that I’ve read. Is it typical of your writing? How would you summarize the topics you’ve written about?

CP: My past 40 books cover many different topics. A number of these books concern the beauty of mathematics. Others cover topics at the borderlands of science, roaming far and wide on topics ranging from creativity, art, mathematics, and human intelligence, to higher dimensions, religion, strange realities, time travel, alien life, and science fiction. You can see a listing of my other books here. This should give your readers a flavor for the kinds of topics on which I enjoy writing.

Of course, The Math Book is serious mathematics, but I hope I’ve introduced an element of art and playfulness as well — the topics flow from fractals, to Rubik’s cube robots, to the infinite monkey theorem! For me, mathematics cultivates a perpetual state of wonder about the nature of mind, the limits of thoughts, and our place in this vast cosmos.

With respect to my other books, some of which may be more at the fringes of science, I’d point out that “fringe” research is crucial — not just for its educational value but because significant discoveries can come from such study. At first glance, some topics in science or sociology in my other works may appear to be curiosities, with little practical application or purpose. However, I have found these experiments useful and educational, as have the many students, educators, artists, and scientists who have written to me. In fact, science is filled with hundreds of great discoveries that have emerged through chance happenings and serendipity, for example: Velcro, Teflon, X-rays, penicillin, nylon, safety glass, sugar substitutes, dynamite, and polyethylene plastics.

Several of my past books explore a variety of topics to test your curiosity and powers of lateral thinking. Robert Pirsig wrote in Zen and the Art of Motorcycle Maintenance, “It’s the sides of the mountain which sustain life, not the top. Here’s where things grow.” This also applies to the joy that writers experience when letting their minds drift and when wondering about humanity’s place in the universe.

Beltrami pseudosphere. Image by Paul Nylander

Beltrami’s pseudosphere by Paul Nylander, included in The Math Book

JC: You’ve written a lot of books, especially for someone who has a full-time job in addition to writing. How do you manage your time?

CP: When people ask me how I manage my time, I reply: “Some people play golf on the weekends. Instead, I prefer to write.” Of course, my prolific writing pales in comparison to American novelist, lawyer, and workaholic Erle Stanley Gardner (1889-1970), who once worked on seven novels simultaneously and dictated 66,000 words a week! Gardner would never start to dictate until he had worked out the entire plot of his novel. He actually hired six secretaries to handle his dictation, which he found more efficient than typing. His best-known works focus on the lawyer-detective Perry Mason.

I don’t know how writers like Isaac Asimov were so prolific before the age of the computer. I would have a very difficult time writing books, and doing all the necessary text rearrangements and editing, without a word processor. According to the New York Public Library Desk Reference (4th ed.), Isaac Asimov wrote over 400 books and is the only author with a book included in every major Dewey-decimal category. I sit in awe of Asimov, but a few people have exceeded his book output. Lauran Paine (b. 1916) has published over 900 books under more than 90 pen names. Paine spent his youth working as a cowboy, and today at least 500 of his books are Westerns.

JC: How do you write? Do you have a set schedule and place for writing? Anything unusual about your environment or equipment?

CP: French writer Marcel Proust composed his books in a haphazard fashion. He did not start at the beginning and finish at the end. He did not write linearly. Instead, ideas came to him in flashes as he went about his daily routine. Most of my own books are composed in the same way. As ideas come to me during the day or in the realm between sleep and wakefulness, I jot them down and continue to fill in details in the book. For me, writing is exactly like painting, adding a spot of color here, a detail there, a twig on this tree, a bit of foam on that ocean wave… No painter starts at the top of the painting and finishes at the bottom.

My approach to filling in detail, like a painter dabbing paint, is fine in the age of word processors, but it was amazing that Proust used the same approach so well. He would dictate to his stenographers who would type an initial manuscript. Then, he would crowd the margins with additional details and establish links between scenes and characters. He would paste in new pages and have the new work typed again and again. Edmund White notes in his biography of Proust, “If any writer would have benefited from a word processor, it would have been Proust, whose entire method consisted of adding details here and there and of working on all parts of his book at once.” As for my books, there’s nothing special about the tools I use and nothing special about my environment. These days, I use Microsoft Word.

JC: Are you writing a book now?

CP: I am finishing a book in the style of The Math Book — one page of text facing one page of illustration. Entries are in chronological order. Let’s wait to see how well The Math Book sells. If it sells a sufficient number of copies, perhaps I can convince a publisher to consider this newer work that covers a particular array of topics in science, art, history, and popular culture.

JC: Would you be interested in writing a computer science analog of The Math Book?

CP: I very much enjoyed creating The Math Book with my publisher, Sterling, and the $19 price offered by Amazon.com is amazing for a 528-page all color hardcover. I would welcome doing another book of this kind if we feel that such a book has not been done before and that it is marketable.

JC: Who are some of your favorite authors, either for content or style?

CP: My favorite tales of parallel worlds are those of Robert Heinlein. For example, in his science-fiction novel The Number of the Beast there is a parallel world that appears identical to ours in every respect except that the letter “J” does not appear in the English language. Luckily, the protagonists in the book have built a device that lets them perform controlled explorations of parallel worlds from the safety of their high-tech car. This is my favorite novel, and the only one that I’ve read over five times — although I could never finish it the first few times. It’s a novel that many readers dislike, can’t finish, or understand. The final section is nearly incomprehensible. But for me, it provides a sense of mystic transport as the brainy characters enter parallel worlds, fleeing from danger.

JC: There is a scene in the movie Good Will Hunting where Robin Williams’ character, Sean, asks Matt Damon’s character, Will, what he likes to read. Will’s response is “Hey, whatever blows your hair back.” What blows your hair back? Any books, blogs, podcasts, etc. that you turn to for inspiration?

CP: These days, I’m enjoying CDs and DVDs from The Teaching Company – on subjects ranging from the history of mathematics, to the history of the world, to an introduction to Judaism. Some of their classes on the history of mathematics are awesome mind-bogglers.

My most popular blog, Reality Carnival, highlights the kinds of topics and stories that interest me.

JC: Your writing indicates you have broad interests. Have you struggled to find where you want to be along the continuum between Renaissance man and specialist?

CP: I prefer to be a generalist. In fact, if I had to manage a foundation that gives money to scientists, I would also consider high-quality “generalists” as recipients. Experts have become very specialized, and science popularizes are often frowned upon by their more “serious” colleagues. Sometimes, specialists develop blind spots after years of intense focus on a single topic. Thus, I would devote a portion of my money to training “generalists” who traverse several fields and then bring together ideas in ways that specialists may be unable to do. They will also look for overlaps between different domains of research and try to solve shared problems with a single approach. As our rate of technological progress skyrockets in the 21st century, these Facilitators will study the multidisciplinary implications of this acceleration and work on technologies or new ways of seeing that help humanity assimilate advances that outstrip our comprehension and the restrictions of our intuition.

Other interview posts:

Dan Bricklin, co-creator of VisiCalc, technologist, author
Carl Franklin, musician, software developer, podcaster

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