Skip to main content

The Blind Spot - Adam Frank, Marcelo Gleiser and Evan Thompson ****

This is a curate's egg - sections are gripping, others rather dull. Overall the writing could be better... but the central message is fascinating and the book gets four stars despite everything because of this.

That central message is that, as the subtitle says, science can't ignore human experience. This is not a cry for 'my truth'. The concept comes from scientists and philosophers of science. Instead it refers to the way that it is very easy to make a handful of mistakes about what we are doing with science, as a result of which most people (including many scientists) totally misunderstand the process and the implications.

At the heart of this is confusing mathematical models with reality. It's all too easy when a mathematical model matches observation well to think of that model and its related concepts as factual. What the authors describe as 'the blind spot' is a combination of a number of such errors. These include what the authors call 'the bifurcation of nature' - splitting between what is based on theory and considered objective and what we actually experience which is seen as second class and subjective. An example they give is the idea espoused by many scientists that colour (as opposed to wavelength of light) is an illusion.

Perhaps the most familiar of the errors is reductionism - considering that if we can break a system down to its most basic elements we can fully understand it from the behaviour of those elements. This entirely misses emergence, complex systems and chaos, not to mention practically any social science. Then there is physicalism (what used to be called materialism, but, as is pointed out the concept of fields in physics, for example, is not material), the reification of mathematical entities and the notion that experience is epiphenomenal. Those last two are where we consider the properties of the universe that can be subjected to mathematics as the only real ones, and where we consider conscious experience to be an unreal construct of computation in the brain and hence worthless scientifically.

This kind of problem in science is related to that uncovered by Sabine Hossenfelder in the (much better written) Lost in Math, but that book is purely about the way that modern physics often builds whole theoretical structures on mathematical models without any great connection to observation and experiment, where more emphasis is given to the 'beauty' of the maths than its relation to reality. And there's also a touch of Kant's concept of the 'Ding an sich' - the unknowable reality of the universe where we can only discover the phenomena it produces. But what's new here is that the blind spot extends to vast swathes of science, where we put far too much emphasis on idealised models that bear only a passing resemblance to reality and take far too little notice of what we actually experience and observe.

To dig a little into my complaint about the writing, by far the best bits were those dealing with time, matter, the cosmos and AI, while the sections on life, Earth science and climate change were particuarly weak. Consciousness was also covered - the content was interesting, but that section was somewhat laboured. I also think the structure of the book could have been better. In essence, it introduces the blind spot and its characteristics (which are all labelled with incomprehensible terminology once we get past the approachable 'blind spot'), then has sections on each of the topics. The trouble with this was that it was quite difficult to keep in mind what something like 'reification of mathematical entities' meant as we went from discipline to discipline. It might have been better to structure the book by the elements of the blind spot and bring in different disciplines to illustrate them instead. There was also rather too much unnecessary history of science, some of which was on slightly dodgy ground, for instance appearing to equate phlogiston (effectively un-oxygen) with caloric (an imagined fluid corresponding to heat).

As mentioned at the beginning, despite some issues, the concept is genuinely important. The authors are not advocating for some fluffy person-centred pseudoscience, but rather for more realism in science that takes in what is happening, rather than just simplified mathematical models and that recognises that experience is an important part of how we should look scientifically at the world.

Hardback:   
Kindle 
Using these links earns us commission at no cost to you
Review by Brian Clegg - See all Brian's online articles or subscribe to a weekly email free here

Comments

Popular posts from this blog

The Language of Mathematics - Raúl Rojas ***

One of the biggest developments in the history of maths was moving from describing relationships and functions with words to using symbols. This interesting little book traces the origins of a whole range of symbols from those familiar to all, to the more obscure squiggles used in logic and elsewhere. On the whole Raúl Rojas does a good job of filling in some historical detail, if in what is generally a fairly dry fashion. We get to trace what was often a bumpy path as different symbols were employed (particularly, for example, for division and multiplication, where several still remain in use), but usually, gradually, standards were adopted. This feels better as a reference, to dip into if you want to find out about a specific symbol, rather than an interesting end to end read. Rojas tells us the sections are designed to be read in any order, which means that there is some overlap of text - it feels more like a collection of short essays or blog posts that he couldn't be bothered ...

The Decline and Fall of the Human Empire - Henry Gee ****

In his last book, Henry Gee impressed with his A (Very) Short History of Life on Earth - this time he zooms in on one very specific aspect of life on Earth - humans - and gives us not just a history, but a prediction of the future - our extinction. The book starts with an entertaining prologue, to an extent bemoaning our obsession with dinosaurs, a story that leads, inexorably towards extinction. This is a fate, Gee points out, that will occur for every species, including our own. We then cover three potential stages of the rise and fall of humanity (the book's title is purposely modelled on Gibbon) - Rise, Fall and Escape. Gee's speciality is palaeontology and in the first section he takes us back to explore as much as we can know from the extremely patchy fossil record of the origins of the human family, the genus Homo and the eventual dominance of Homo sapiens , pushing out any remaining members of other closely related species. As we move onto the Fall section, Gee gives ...

Target Earth – Govert Schilling *****

I was biased in favour of this great little book even before I started to read it, simply because it’s so short. I’m sure that a lot of people who buy popular science books just want an overview and taster of a subject that’s brand new to them – and that’s likely to work best if the author keeps it short and to the point. Of course, you may want to dig deeper in areas that really interest you, but that’s what Google is for. That basic principle aside, I’m still in awe at how much substance Govert Schilling has managed to cram into this tiny book. It’s essentially about all the things (natural things, I mean, not UFOs or space junk) that can end up on Earth after coming down from outer space. That ranges from the microscopically small particles of cosmic dust that accumulate in our gutters, all the way up to the ten kilometre wide asteroid that wiped out the dinosaurs. Between these extremes are two topics that we’ve reviewed entire books about recently: meteorites ( The Meteorite Hunt...