Thursday, July 14, 2011
The Essential Engineer by Henry Petroski
Policy makers seem to love science. I can see why. Science provides a sense of specificity, certainty and consensus. It contrasts with the vagueness, variability and competition that policy makers usually have to deal with. That is more like the world engineering.
This interrelation of policy-making, science and engineering, especially the latter two, is the subject of Henry Petroski’s book, The Essential Engineer. In particular, Petroski emphasizes the important, and often overlooked, role of engineering is solving pressing problems.
I doesn’t help that people conflate science and engineering, especially by thinking of engineering as branch or application of science. Petroski is clear about the differences. Science is about increasing knowledge. Engineering is about invention. Sometimes scientists do engineering, especially when they create a devise or process to help them in their work of discovery. Sometimes engineers do science, especially when their engage in research and experimentation to gain a better understanding or problems that are not well understood.
The movement of knowledge from science to engineering practice is well understood. Petroski describes how this became ingrained in American research and development policy. Engineering often precedes science and engineers often must invent solutions in areas that are not well understood by science. Galileo’s improvements to the telescope made possible his advancements in astronomy. The science of thermodynamics grew almost entirely out of the desire to understand steam engines, which engineers had been building and improving in the absence of scientific understanding.
This misunderstanding exacerbated by our culture and education. Policy elites and scientist generally have no education in engineering. As an undergraduate studying engineering, I took science classes with students majoring in the sciences. I took classes in political science, economics and other social science and business-oriented classes with students majoring in those fields. I would have been greatly surprised to find in one of my engineering classes a student who wasn’t majoring in engineering.*
Petroski does not try to bring down science. He’s a civil engineering professor at a sizeable university, so he has probably spent quite a bit of time doing science. He does distinguish how science is helpful, mainly as a warning. Science can help us identify and define problems and assess the risks involve. When we begin to devise solutions to those problems, especially when there is no definitive solution and judgment is needed to way the pros and cons of multiple possible answers, we are moving into engineering.
The Essential Engineer is not a technical book. It for anyone who may have an interest in the role of technology in addressing our problems, especially larger societal problems. Petroski draws illustrations from current events and history (he is a professor of history as well as engineering). The book is enlivened with a storytelling feel.
* There were exceptions. I took a course in food processing that was dual-listed in agricultural engineering and food science. It was a required course for both disciplines. Electrical engineering students almost automatically minored in math, and some clever and ambitious students double-majored in those subjects. With a little better planning, I could have swung a minor in agricultural economics, and I almost wish I had. When I got into wastewater engineering, I wished I had taken more microbiology. My pursuit of additional education lead to a graduate degree in public administration. Government agencies have been employers or clients most of my career. It is common for engineers to get a masters degree in business, especially as they become managers.
Henry Petroski also wrote Paperboy.
If you’re interested in this book, you may also be interested in
The Ancient Engineers by L. Sprague de Camp
The Big Necessity by Rose George
Newton and the Counterfeiter by Thomas Levenson
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Monday, September 12, 2011
The Victory of Reason by Rodney Stark
Rodney Stark argues in The Victory of Reason that the West grew to prominence in science, technology, commerce, and power because of its foundations in Christianity. Personal freedom, democracy, and capitalism grew and eventually flourished in Western Civilization because Christianity provided a philosophy and set of beliefs that such things were possible, achievable, and valuable. These things failed, stumbled, and declined in other parts of the world because the cultures, particularly religions, that prevailed there supported philosophies and beliefs that lead another direction.
It starts with a notion of God that is almost unique to Christianity: God is a being of reason. Therefore they could use human reason, however imperfect, to understand God and increase our understanding of Him. Christian theology wasn’t simply asserting scripture, but reasoning about God and His Word to increase, refine, and improve knowledge and doctrine.
The Christian faith embraced progress through reason in doctrine. Christians looked forward to becoming progressively better believers. God is immutable, but those who believe Him can grow in understanding as they mature and with successive generations. This religion of belief contrasted with religions of practice, which inherently looked backward to established law.
These foundational beliefs in reason and progress carried over into Christian views of the physical world. It was a real place made by God. In addition, because God created the world using His reason, we can understand it using ours, just as we can use reason to increase our understanding of God. This belief gave impetus to modern science. Some credit goes to the ancient Greek philosophers, some of who had faith in reason and others in experimentation, though not both at the same time. Islamic philosophers admired, preserved and closely studied the Greeks. However, it was Christians who took these resources and added their own worldview to create modern science. Early scientists were Christians, often supported by the church directly or through universities, which were connected to the church at the time. Western nations gained a lead in science that they still hold.
Progress carried over to social and political issues as well. In particular, Christian beliefs about human equality made the church a leader in the abolition of slavery in Europe and later the Americas. It also gave rise to increasingly democratic governments, personal freedoms, and property rights. This created an environment where capitalism could flourish. Capitalism love technological development, and it didn’t hurt that it was growing in cultures that were amenable to science, and these things grew together creating new levels of freedom, opportunity, and wealth. Christian theologians had the flexibility and reasoning power to adapt doctrine to these new developments while remaining true to received scripture.
Stark supports his arguments with examples from history. One of the more interesting things about the book is the way he compares examples from the Christian world to counterexample from other cultures, such as China or Islam. China was a prominent, technologically advance culture that did not hold its lead. Islam preserved Greek knowledge during Europe’s supposedly dark ages, but did not advance. It was the late bloomers in the Christian West who had the philosophical tools to build success upon success. He also contrasts the winners and decliners in Europe and the Americas, showing how successful and wealthy nations became that way by embracing religious liberty, democracy, and capitalism, while those that declined held to or recreated feudal systems.
If you’re interested in this book, you may also be interested in
Copernicus’ Secret by Jack Repcheck
Descarte’s Secret Notebook by Amir D. Aczel
God Wants You to Be Rich by Paul Zane Pilzer
How We Got Here by Andy Kessler
The Politically Incorrect Guide to Western Civilization by Anthony Esolen
The Richest Man Who Ever Lived by Steven K. Scott
The Road to Serfdom by F. A. Hayek
Saturday, April 7, 2018
The Society for Useful Knowledge by Jonathan Lyons
Sunday, February 25, 2018
The Numerati by Stephen Baker
Wednesday, May 27, 2020
The Pleasure of Finding Things Out by Richard P. Feynman
The
Pleasure of Finding Things Out
is a collection of interviews and speeches of physicist and Nobel Prize winner Richard P. Feynman. The theme that runs through most of
these items is Feynman’s ideas about what science is and how it is practiced.
The Astounding, the Amazing, and the Unknown by Paul Malmont
Descarte’s Secret Notebook by Amir D.
Aczel
Einstein’s Clocks, Poincare’s Maps:
Empires of Time by
Peter Galison
The Girls of Atomic City by Denise
Kiernan
Newton and the Counterfeiter by Thomas Levenson
The Powerhouse by Steve Levine
Saturday, April 24, 2021
Cure by Jo Marchant
Over my lifetime, I’ve observed an increasing interest in the connection between mind and body. It is not a new concept, but it has gained ground and the Cartesian distinction between mind and body has eroded. However, how we are still learning how it works and the extent to which it is effective in the treatment of disease. Geneticist and science writer Jo Marchant explores these issues in Cure.
Marchant considers three areas in which there appears to be mind-body connections that have promise for use in medical settings. First is the placebo effect. Next, she looks at meditation, biofeedback and hypnosis. Finally, she discusses the effects of our viewpoint, especially how increase or reduce stress.
We are equipped with an internal pharmacy that can reduce or aggravate pain, and it can be triggered by something as vague as our expectations. This placebo affect can be as powerful as drugs at reducing pain and some other symptoms of disease, which can make it difficult to test the effectiveness of drugs. Some physicians are starting to change their minds about the placebo effect. Instead of seeing it as a problem that gets in the way of testing drugs, they are seeing it a potential substitute for drugs. The placebo effect has limitations; it can reduce pain and symptoms, but it does not cure the underlying disease or injury. There is also a nocebo effect, which causes pain and fatigue.
Another interesting effect discussed by Marchant is conditioning of the immune system. In some cases, we can prompt the immune system to have a conditioned response; we can train it. After taking a drug, the immune system can reproduce the response to the drug at lower doses. We can strengthen the conditioning by accompanying the drug with strong rituals; repeating the rituals can produce the response to some degree. This holds some promise for improving the effectiveness of drugs and reducing the dose needed to be effective, especially when a drug as serious side effects. I thought this was fascinating.
Our brain is more connected, and in control, of our bodily functions that we previously realized. Meditation, hypnosis and biofeedback can allow people to exercise control over operations of the body that were previously thought to be automatic or even independent of the brain. This includes pain, blood flow, stress response, heart rate variability and vagal tone.
Relationships also have a profound effect on our health. Strong social connections keep us young, and lack of relationships is harmful to our health. Our own compassion for others can reduce stress hormones and inflammation. When physicians, surgeons, nurses and other health care professionals care for their patients as people, those patients receiving the emotional support experience less pain and longer lives.
Marchant shows there is potential for a new way of doing medicine, or room to reintroduce older practices. By slowing down and showing genuine concern for patients, doctors can multiply the effect of their treatment. Teaching people to slow down and pay attention to their bodies, the people they love and the good things in their lives, we can take advantage of the healing capacities of the mind and body. Medicine can be less about dispensing drugs and more about lifestyle and relationship.
If you’re interested in this book, you may also be interested in
The
Beethoven Factor by Paul Pearsall
Change
Your Brain Change Your Body
by Daniel G. Amen
Descarte’s
Secret Notebook by Amir D.
Aczel
The Genius
in All of Us by David Shenk
I
Can Make You Happy by Paul
McKenna
I
Can Make You Thin by Paul
McKenna
Instant
Self-Hypnosis by Forbes
Robbins Blair
The
Last Self-Help Book You'll Ever Need by Paul Pearsall
The
Relaxation Response by
Herbert Benson with Miriam Z. Klipper
The
Road Less Traveled by M.
Scott Peck
The
Solution by Lucinda Bassett
Switch
on Your Brain by Caroline Leaf
Take
the Leap by Heather
McCloskey Beck
Timeless
Healing by Herbert Benson
with Marg Stark
Writing
Down the Bones by Natalie
Goldberg
Marchant, Jo. Cure: A Journey into the Science of Mind over Body. New York: Crown, 2016.
Monday, February 18, 2013
Dr. Horrible, the Hamlet of Nerds
- like working with machines, having interest in technical subjects or complex hobbies, and
- prefer direct, logical, rule-bound communication to indirect, emotional communication.