Saturday, 30 December 2023

review: Designing Freedom

Stafford Beer.
Designing Freedom: Massey lectures.
Canadian Broadcasting Company. 1974


This slim book (100 paperback-sized pages) is a transcript of a series of six radio lectures given in 1973, with some additional illustrative sketches.

Stafford Beer was a renowned systems thinker, in the field of operations research and management cybernetics. These lectures outline his view of what the severe problems with management and governmental practices are, and how to solve them by taking Ashby’s Law of Requisite Variety seriously.

His point is that these human systems are dynamic systems of parts and connections, not static fixed monoliths, and they need to be thought of as such to even ask the right questions. In particular, he points out that what we typically observe as the entity, the system, are actually outputs of that system, products of the system organised to produce them. Focussing on the outputs as if they were the system itself then leads to problems when we try to modify or stabilise things. In particular, societal properties like crime, poverty, immorality and the like are outputs of a society organised to produce these (“the cruelty is the point”), not mere unfortunate “blemishes” that can be ironed out by doubling down on our current practices. If we want liberty, say, then we need to design a system of government where liberty is an output.

And how do we interact with, and modify, such tremendously complex and dynamic systems as organisations, governments, and society? Here is where the Law of Requisite Variety comes in. If a system has a lot of variety (a large number of possible states) then we need to match and “absorb” that variety with an equal amount of variety in our interactions and interventions. But we can’t actually do that in practice, since the resources producing system variety greatly outweigh and outnumber our resources to intervene (eg, there are more and various people in the population producing variety than there are government ministers and civil servants responding). So what to do?

If the system has too much variety for regulation, then its variety must be attenuated, or regulatory variety must be increased, to make them match. However, many variety attenuators (low variety models, aggregation, long and set time periods, etc) are not appropriate for faster moving dynamic systems. Beer discusses several approaches from the point of view of operations research, but his main emphasis is on the use of computers as variety matchers. He mentions that common use of computers is counter-productive, attenuating when they should increase, and vice versa, however. He talks about his Chilean experiment in cybernetic government, cut short by the military coup that overthrew the Allende regime, as an example of the kind of computational use he says is needed.

He points out a serious issue: that there is a lot of variety attenuation going on to match the capability of the human brain, but that we have no control over the forms of attenuation. Education is one form, often enforcing the “right” answer, attenuating the student’s creativity. Publishing is another, with the editor providing the attenuation. Beer suggests an alternative to these: personalised education via the computer, and personalised computerised search of recorded information.

These lectures were given 50 years ago. How well have they stood the test of time? Well, civilisation hasn’t collapsed, contrary to Beer’s prediction. Maybe this is because his ideas for personalised education and search have been realised: the Internet and search engines have made vast quantities of information available at the click of a few keys, allowing self-education. Unfortunately, he was too optimistic: these technologies have also enabled the self-publication of, and self-education from, “information” by flat earthers, creationists, anti-vaxxers, science denialists, and full-blown conspiracy theorists. So, things have got a lot better, and also a lot worse, in the intervening half century. I find myself reminded of Ada Palmer’s discussion of the “Ever-So-Much-More-So” powder, which increases the intensity of everything, good and bad alike: “Sprinkle it on the Middle Ages and you get the Renaissance”. The Internet is today’s Ever-So-Much-More-So powder, sprinkled on civilisation.

Despite its age, this book is an excellent introduction to the ideas of management cybernetics, and requisite variety, and how variety may be attenuated and increased beneficially. Well worth the read, even 50 years later.




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Saturday, 16 December 2023

traditional tree

We got our Christmas tree a little earlier than last year, so we had more choice, and could get a somewhat bushier one.





Wednesday, 13 December 2023

signs of the times

Christmas cards have started arriving. There are two obvious changes in the stamps.


First is the barcodes.  I used to collect stamps as a child, and remember looking carefully at the phosphor bands on them, used so that the sorting machines could tell the difference between first and second class stamps.  Barcodes are the 21st century version of making life easier for machines.


Second is a new head.  For my entire life, the only time I have seen a UK stamp with a head other than the queen's was while looking in my stamp album, or at antique postcards and letters.  So when I saw the first new king's head stamp, I had a weird flashback to this period.



Monday, 11 December 2023

my first root canal

I used to have an NHS dentist.  I last went to them during Covid, for an emergency repair of a broken filling.  This May, I realised I hadn’t been since then, so I phoned up to make an appointment, as I have been doing for the last two decades.  “You’ve been deregistered”.  “Why?!?” “Because you haven’t come for a while.” “But, but, you were closed for Covid, and never said when you reopened.” “Tough, you should have called earlier.” (I paraphrase, but not much.)

The next nearest dentist taking NHS patients was over 70 miles, or two counties, away.  So, after much grumbling about the government's failure to fund the NHS dentistry service properly (or basically, at all), I reluctantly had to go private.  At least this gave me the opportunity to find one closer to home than before. 

The first dentist I tried wasn’t taking new patients, even private ones. The second was, so I registered in May, yet the first appointment I could get for a check-up was in August.  (Well, to be fair, I could have had one in July, but I was travelling a lot for conference season then.)  At the check-up, it was noted I needed a couple of fillings replacing: they had been giving me some mild discomfort, which is what reminded me I was due a check-up in the first place.  The next appointment available was October, at which point I was told one of the fillings being replaced was quite deep, and might not “take”. Sure enough, it never really settled, and a month later it started actively hurting. I got an emergency appointment (after sitting on hold for ages, listening to adverts about how convenient it was to go private, because you could get appointments whenever you needed).  An X-ray revealed that root canal was needed.  The earliest appointment available with the root canal specialist: 3 weeks.

So, lots of ibuprofen later, today was root canal day.  Now, I've only ever heard of this process used as a metaphor for something extremely unpleasant, so I was a little concerned.  The NHS website helpfully says Root canal treatment is not painful, which was mildly reassuring, however.

The NHS website is correct.  The procedure was less painful (although considerably longer) than the original filling that was done in October.  I do have to wait with a rough tooth surface until a crown can be fixed, in February.  This time, though, the wait is deliberate, it to let things “settle”.

So, why does root canal have this scary reputation?  I suspect what has happened is that dentistry technology has just improved drastically since I was young.  I was already aware that fillings are nothing like as traumatic as they used to be.  In particular, anaesthetics are faster to take (essentially instant; no sitting in the waiting room for 20 minutes until fully numb, or not quite as numb as it needs to be), and faster to wear off (about an hour after the procedure is over, rather than the rest of the day).  And the fillings themselves set faster and better: I was told not to eat on the tooth, or drink anything hot, for an hour, and that was only because I might bite or burn myself while numb; no more waiting a couple of days for things to set properly.  I have been told not to bite on hard or crunchy food on the tooth until it has been crowned, though, which seems fair enough.  The most painful part was the cost: an order of magnitude more expensive than on the NHS.

So, hugely better technology over the years. And hugely inferior access.



Saturday, 9 December 2023

sequestering carbon, several books at a time CXXXV

 The latest, pre-Christmas, batch:


A third Checquy book!  I didn't know there was another one. Yay!