Friday, June 09, 2023

Obsolescent Science: This Idea Must Die (Brockman, 2015)


John Brockman, ed. This Idea Must Die! (2015) A reread, and worth it. The contributors sometimes contradict each other. Their mini-essays constitute a course in science. It seems that explaining why an idea is no longer useful or may have become an impediment requires explaining it clearly enough that the reasons for killing it make sense. I enjoyed reading these arguments again.
     One idea that’s not mentioned as worthy of forcible retirement is that Science Describes Reality. It doesn’t. It constructs conceptual models of reality. Several of the essays attack one or another of these models as misleading or worse.  But all the arguments start with the assumption that what’s made the idea obsolete is that it no longer describes reality well enough to warrant acceptance. But taken together, the discussions show that science doesn’t describe reality at all.
     We can’t apprehend reality. The best we can do is to compare our perceptions, the simulations of reality that our brains construct. When we do that, we discover whether we perceive the same similarities and differences. We discover whether our perceptions have common structures. Science uses experiment and observation to methodically examine, and mathematics to describe these common structures. Thus science is about how we perceive reality. We do pretty well, actually. Mathematics is the language of structures, which is why it works so well in science. It’s also the only universal part of language. There is more to be said about the universality of mathematics, but this comment is already longer than it needs to be.
     Thoroughly enjoyable, and highly recommended. ****

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Travels Across Canada: Stuart McLean's Welcome Home (1992)

Stuart McLean. Welcome Home. (1992) McLean took a few trips across the country, and stayed in several small towns. Then he wrote this elegy...