The experimenter's regress as philosophical sociology

I will divide my discussion into two. In the first part I will discuss Godin and Gingras's delicious claim (this volume) that the experimenter's regress is anticipated by Sextus Empiricus's formulation of scepticism. In the second part, I will try to deal with Godin and Gingras's ‘critical argument’, that the experimenter's regress would be redundant if we were less concerned with ‘frightening philosophers’.     

Trading zones and interactional expertise

The phrase ‘trading zone’ is often used to denote any kind of interdisciplinary partnership in which two or more perspectives are combined and a new, shared language develops. In this paper we distinguish between different types of trading zone by asking whether the collaboration is co-operative or coerced and whether the end-state is a heterogeneous or homogeneous culture. In so doing, we find that the voluntary development of a new language community—what we call an inter-language trading zone—represents only one of four possible configurations. In developing this argument we show how different modes of collaboration result in different kinds of trading zone, how different kinds of trading zone may be ‘nested’ inside each other and discuss how a single collaboration might move between different kinds of trading zone over time. One implication of our analysis is that interactional expertise is a central component of at least one class of trading zone.     

A New interpretation of Michael Polanyi''s theory of tacit knowing: Integrative philosophy with ‘Intellectual Passions’

According to my interpretation, based on the entirety of Michael Polanyi's epistemological works, his theory of tacit knowing is conceived of as three models tied together by the central feature of Intellectual Passions as integrator. The models are progressively refined forms of his first conception of tacit knowing: ‘we know more than we can tell’. The three models are: the Gestalt-Perception Model based on the gestalt notion of part-whole relations, the Action-Guiding Model incorporating the phenomenological-existential notion of intentional action, and the Semiotic Model, an abstract conception of action directed to meaning showing that tacit knowing has a ‘from-to structure’ (from subsidiary awareness to focal awareness). In the Semiotic Model integration is named by the logical term ‘inference’. Polanyi's conception of reality and his theory of truth are introduced linked to the models, to show why his epistemology is not subjectivist and his theory of truth is not relativist.     

Experiment versus mechanical philosophy in the work of Robert Boyle: a reply to Anstey and Pyle

We can distinguish ‘mechanical’ in the strict sense of the mechanical philosophers from ‘mechanical’ in the common sense. My claim is that Boyle's experimental science owed nothing to, and offered no support for, the mechanical philosophy in the strict sense. The attempts by my critics to undermine my case involve their interpreting ‘mechanical’ in something like the common sense. I certainly accept that Boyle's experimental science was productively informed by mechanical analogies, where ‘mechanical’ is interpreted in a common sense. But this leaves my original claim untouched and, in the main, unchallenged.     

The literature and the science of ‘two cultures’ historiography

This paper discusses the historiography of the ‘two cultures’ controversy. C. P. Snow’s lament about the ‘two cultures’, literary and scientific, has inspired a wide range of comment—much of which begins by citing Snow and his thesis, before going on to discuss very different things. This paper focuses upon one strand of this commentary, the historical analysis of the controversy itself. A ‘historical’ analysis is defined here as one that resists the impulse to enter the argument on behalf of Snow or Leavis, to conceive of their argument in the terms that Snow defined, or to invoke their argument as a precursor to some contemporary issue. Instead, a historical interpretation registers distance between that day and this, takes the controversy itself as its object of study, and explores the tensions and associations that came to be packed into those now familiar terms. As the fiftieth anniversary of Snow’s Rede Lecture nears, this approach—rather than the repetition of clichés about the bridging of cultures—offers both analytical perspective on the controversy and interpretive possibilities for its examination.     

Worlds in the Everett interpretation

This is a discussion of how we can understand the world-view given to us by the Everett interpretation of quantum mechanics, and in particular the rôle played by the concept of ‘world’. The view presented is that we are entitled to use ‘many-worlds’ terminology even if the theory does not specify the worlds in the formalism; this is defended by means of an extensive analogy with the concept of an ‘instant’ or moment of time in relativity, with the lack of a preferred foliation of spacetime being compared with the lack of a preferred basis in quantum theory. Implications for identity of worlds over time, and for relativistic quantum mechanics, are discussed.     

Determinism and Chance

It is generally thought that objective chances for particular events different from 1 and 0 and determinism are incompatible. However, there are important scientific theories whose laws are deterministic but which also assign non-trivial probabilities to events. The most important of these is statistical mechanics whose probabilities are essential to the explanations of thermodynamic phenomena. These probabilities are often construed as ‘ignorance’ probabilities representing our lack of knowledge concerning the microstate. I argue that this construal is incompatible with the role of probability in explanation and laws. This is the ‘paradox of deterministic probabilities’. After surveying the usual list of accounts of objective chance and finding them inadequate I argue that an account of chance sketched by David Lewis can be modified to solve the paradox of deterministic probabilities and provide an adequate account of the probabilities in deterministic theories like statistical mechanics.     

The ontology of artefacts: the hard problem

We examine to what extent an adequate ontology of technical artefacts can be based on existing general accounts of the relation between higher-order objects and their material basis. We consider two of these accounts: supervenience and constitution. We take as our starting point the thesis that artefacts have a ‘dual nature’, that is, that they are both material bodies and functional objects. We present two criteria for an adequate ontology of artefacts, ‘Underdetermination’ (UD) and ‘Realizability Constraints’ (RC), which address aspects of the dual nature thesis. Assessing supervenience accounts, we find them either wanting with respect to these criteria or insufficiently informative. Next, we argue that a recent application of Lynne Rudder Baker’s constitution view to artefacts cannot (yet) meet our criteria, although the broader view leaves room for improvement. Based on our evaluation of the most promising candidates, we conclude that so far general metaphysical views fail to address the most salient features of artefacts. Although they can account for the fact that artefacts have a ‘dual nature’, they do not offer the conceptual resources needed to describe the relation between these natures; this relation raises a hard problem in metaphysics.     

Primary source knowledge and technical decision-making: Mbeki and the AZT debate

Demands for public participation in technical decision-making are currently high on the agenda of Science & Technology Studies. It is assumed that the democratisation of technical decision-making processes generally leads to more socially desirable and acceptable outcomes. While this may be true in certain cases, this assumption cannot be generalised. I will discuss the case of the so-called ‘South African AZT debate’. The controversy started when President Thabo Mbeki, after reading some scientific papers on the toxicity of AZT, decided to bar the use of the drug in the public health sector as a means to reduce the transmission of HIV from mothers to children. While the scientific mainstream accepts the effectiveness of AZT in reducing the risk of vertical HIV transmission, a few maverick scientists reject the clinical evidence and argue that the risks of using AZT by far outweigh its benefits. Based on various textual sources and using the ‘Periodic Table of Expertises’ developed by Collins and Evans, Mbeki’s expertise at the time of his intervention into the technical question whether AZT is a medicine or a poison can be classified as primary source knowledge. It is shown that this type of expertise is insufficient for technical decision-making. Mbeki’s primary source knowledge legitimated his presentation of the claims of maverick scientists as a serious contribution to the debate—with tragic consequences for tens of thousands of babies.     

From Cutting Nature at Its Joints to Measuring It: New Kinds and New Kinds of People in Biology

In the received version of the development of science, natural kinds are established in the preliminary stages (natural history) and made more precise by measurement (exact science). By examining the move from nineteenth- to twentieth-century biology, this paper unpacks the notion of species as ‘natural kinds’ and grounds for discourse, questioning received notions about both kinds and species. Life sciences in the nineteenth century established several ‘monster-barring’ techniques to block disputes about the precise definition of species. Counterintuitively, precision and definition brought dispute and disrupted exchange. Thus, any attempt to add precision was doomed to failure. By intervening and measuring, the new experimental biology dislocated the established links between natural kinds and kinds of people and institutions. New kinds were built in new places. They were made to measure from the very start. This paper ends by claiming that there was no long-standing ‘species problem’ in the history of biology. That problem is a later construction of the ‘modern synthesis’, well after the disruption of ‘kinds’ and kinds of people. Only then would definitions and precision matter. A new, non-linguistic, take on the incommensurability thesis is hinted at.     

Inherent properties and statistics with individual particles in quantum mechanics

This paper puts forward the hypothesis that the distinctive features of quantum statistics are exclusively determined by the nature of the properties it describes. In particular, all statistically relevant properties of identical quantum particles in many-particle systems are conjectured to be irreducible, ‘inherent’ properties only belonging to the whole system. This allows one to explain quantum statistics without endorsing the ‘Received View’ that particles are non-individuals, or postulating that quantum systems obey peculiar probability distributions, or assuming that there are primitive restrictions on the range of states accessible to such systems. With this, the need for an unambiguously metaphysical explanation of certain physical facts is acknowledged and satisfied.     

Kitcher''s Compromise: A critical examination of the Compromise Model of scientific closure, and its implications for the relationship between history and philosophy of science

In The Advancement of Science (1993) Philip Kitcher develops what he calls the ‘Compromise Model’ of the closure of scientific debates. The model is designed to acknowledge significant elements from ‘Rationalist’ and ‘Antirationalist’ accounts of science, without succumbing to the one-sidedness of either. As part of an ambitious naturalistic account of scientific progress, Kitcher's model succeeds to the extent that transitions in the history of science satisfy its several conditions. 1 critically evaluate the Compromise Model by identifying its crucial assumptions and by attempting to apply the model to a major transition in the history of biology: the rejection of ‘naive group selectionism’ in the 1960s. I argue that the weaknesses and limitations of Kitcher's model exemplify general problems facing philosophical models of scientific change, and that recognition of these problems supports a more modest vision of the relationship between historical and philosophical accounts of science.     

History of Science through Koyré's Lenses

Alexandre Koyré was one of the most prominent historians of science of the twentieth century. The standard interpretation of Koyré is that he falls squarely within the internalist camp of historians of science—that he focuses on the history of the ideas themselves, eschewing cultural and sociological interpretations regarding the influence of ideologies and institutions on the development of science. When we read what Koyré has to say about his historical studies (and most of what others have said about them), we find him embracing and championing this Platonic view of his work. Ultimately I think this interpretation of Koyré's history of science is lopsided and in need of correction. I claim, rather, that a careful reading of Koyré's work suggests that a tension exists between internal and external methodological considerations. The external considerations stem from Koyré's commitment to the unity of human thought and the influence he admits that the ‘transscientifiques’ (philosophy, metaphysics, religion) have on the development of science. I suggest in conclusion then, that if we are to put a philosophical label on his work, rather than ‘Platonist’, as has been the custom, ‘Hegelian’ makes a better fit.     

‘Physics and fashion’: John Tyndall and his audiences in mid-Victorian Britain

This paper explores how the physicist John Tyndall transformed himself from humble surveyor and schoolmaster into an internationally applauded icon of science. Beginning with his appointment as Professor of Natural Philosophy at the Royal Institution in 1853, I show how Tyndall’s worries about his social class and Irish origins, his painstaking attention to his lecturing performance and skilled use of the material and architectural resources of the Royal Institution were vital to his eventual success as a popular expositor and ambassador for science. Secondly I explore the implications of Tyndall’s ‘popularity’ with respect to debates over the meaning and value of scientific ‘popularisation’. In support of recent work challenging diffusionist models of science communication, I show how Tyndall’s interactions with his audiences illustrate the symbiotic relationship between producer and consumer of ‘popular’ science. By examining the views of Tyndall’s critics—notably the ‘North British’ group of physicists—and his defenders and rivals in the domain of popular scientific lecturing, I show that disputes over Tyndall’s authority reflected anxieties about what constituted popular science and the transient boundaries between instruction and entertainment. The term ‘popularisation’ enjoyed many different uses in these debates, not least of all as a rheorical device with which to either exalt or destroy a scientist’s credibility.     

Dogma and dreams: experimental lessons for epilepsy mechanism chasers

Epilepsy mechanism chasers face one major difficulty. Since we don’t know how the normal brain works, we can’t start to understand how the diseased brain fails. Most of today’s hypotheses are based on what we think about ‘normal’ brain function, which may lead to misconceptions, as will be developed here. Furthermore, since there are many different types of epilepsies, some mechanisms may only be relevant to some epilepsies. Here, I shall focus on temporal lobe epilepsy (TLE) the most common form of partial epilepsy in adults. TLE is often drug resistant, as are 30–40% of all forms of epilepsies. The failure of drug-treatments most likely reflects our lack of knowledge of the underlying mechanisms.Received 10 January 2005; received after revision 3 March 2005; accepted 23 March 2005     

Looking for structure in all the wrong places: Ramsey sentences, multiple realisability, and structure

‘Epistemic structural realism’ (ESR) insists that all that we know of the world is its structure, and that the ‘nature’ of the underlying elements remains hidden. With structure represented via Ramsey sentences, the question arises as to how ‘hidden natures’ might also be represented. If the Ramsey sentence describes a class of realisers for the relevant theory, one way of answering this question is through the notion of multiple realisability. We explore this answer in the context of the work of Carnap, Hintikka and Lewis. Both Carnap and Hintikka offer clear structuralist perspectives which, crucially, accommodate the openness inherent in theory change. Unfortunately there is little purchase for a viable form of realism in either case. Lewis’s approach, on the other hand, offers more scope for realism but, as we shall see, concerns arise as to whether a relevant form of structuralism can be maintained. In particular his thesis of Ramseyan humility undermines certain conceptions of scientific laws that the structural realist might naturally cleave to. Our overall conclusion is that the representational device of Ramsey sentence plus multiple realisability can accommodate either the structuralist or realist aspects of ESR but has difficulties capturing both.     

Predictivism and the periodic table

This is a comment on the paper by Barnes (2005) and the responses from Scerri (2005) and Worrall (2005), debating the thesis (‘predictivism’) that a fact successfully predicted by a theory is stronger evidence than a similar fact known before the prediction was made. Since Barnes and Scerri both use evidence presented in my paper on Mendeleev’s periodic law (Brush, 1996) to support their views, I reiterate my own position on predictivism. I do not argue for or against predictivism in the normative sense that philosophers of science employ, rather I describe how scientists themselves use facts and predictions to support their theories. I find wide variations, and no support for the assumption that scientists use a single ‘Scientific Method’ in deciding whether to accept a proposed new theory.     

Can the constructive empiricist be a nominalist? Quasi-truth, commitment and consistency

In this paper, I explore Rosen’s (1994) ‘transcendental’ objection to constructive empiricism—the argument that in order to be a constructive empiricist, one must be ontologically committed to just the sort of abstract, mathematical objects constructive empiricism seems committed to denying. In particular, I assess Bueno’s (1999) ‘partial structures’ response to Rosen, and argue that such a strategy cannot succeed, on the grounds that it cannot provide an adequate metalogic for our scientific discourse. I conclude by arguing that this result provides some interesting consequences in general for anti-realist programmes in the philosophy of science.     

Saving the Strong Programme: a critique of Stephen Kemp’s recent paper

In this paper I intend to discuss some of the views put forward by Stephen Kemp in his recent critique of the Strong Program (Kemp, 2005). In particular I will try to defend David Bloor’s SSK against the charge of weak idealism brought up by Stephen Kemp in his paper. The widely held accusation, namely, according to which the social constructionist approach to scientific knowledge is strongly idealist, is already rejected by Kemp himself. He argues, however that Bloor’s attempts to divert the charge of idealism from the Strong Programme were not successful with respect to the kind of idealism that Kemp calls ‘weak idealism’, that is, treating scientific discourse as free-floating and unrelated to the world of things. I intend to argue that Kemp’s charges are unfounded when levelled at Bloor’s views on meaning and reference. Kemp deals with two issues of the Bloorian program: with the social constructionist approach to concepts as self-referential social institutions, and with the actor/analyst distinction introduced by the Strong Programmers. I will focus only on the first issue in my paper.