# created ```dataview LIST WITHOUT ID file.link FROM -"windsurf" WHERE file.cday = date(this.file.name) AND !startswith(file.folder, "windsurf") SORT file.cday ASC ``` # modified ```dataview LIST WITHOUT ID file.link FROM -"windsurf" WHERE file.mday = date(this.file.name) AND !startswith(file.folder, "windsurf") SORT file.mday ASC ``` --- # [[diary and thoughts]] #thought #diary --- # fucking engineering paper ## option 1 (gemini) Of course. This is a fascinating and well-structured argument. I would be happy to explore potential areas for expansion with you. The text is already very strong, so the focus will be on deepening the existing analytical foundations to make the case even more resilient and comprehensive. Based on your request, I've identified three promising opportunities in the [[second half]] of the document (Sections 4 and 5) that could be expanded to collectively add around 1000 words of substantive philosophical analysis. Here are the suggestions for our discussion: **1. Fortify the "Attribution Problem" in Section 4** • **Location:** The final paragraph of Section 4, which sets up the attribution problem. • **What to Add:** Before transitioning to your positive account in Section 5, you could expand this section by explicitly considering and refuting several alternative solutions to the attribution problem. This would involve a more detailed pre-emptive analysis of where an observer might mistakenly locate the perceived aesthetic qualities. ▪ **Alternative 1: [[The Designer]].** One could argue that the perceived 'grace' is not in [[the machine]]'s operation itself, but is simply an appreciation of the _designer's skill_, projected onto [[the machine]]. You could add a paragraph arguing that while [[the designer]]'s ingenuity is certainly a valid object of appreciation (a kind of 'design-appreciation'), it is distinct from the phenomenal experience of [[the machine]]'s dynamic operation. The former is an intellectual appreciation of a person's past actions; the latter is a perceptual appreciation of a present, unfolding process. ▪ **Alternative 2: Pure Metaphor.** A sceptic might claim that calling a machine's movement 'elegant' is just a loose, metaphorical extension of language, carrying no real aesthetic weight. You could counter this by drawing on the argument from Section 3: if causal dynamics are part of the genuine content of perception, then the qualities of those dynamics (e.g., their smoothness, precision, rhythm) are also genuinely perceived qualities, not mere linguistic projections. The aesthetic predicates are therefore tracking real, observable features of the event. ▪ **Alternative 3: A Fictional Machine-Agent.** One might argue we appreciate [[the machine]] by personifying it, treating it _as if_ it were an agent. You could argue that this doesn't fit the phenomenology. When we appreciate the efficiency of an engine's thermodynamic cycle, we are not imagining the engine as a creature skillfully "breathing"; rather, we are appreciating the impersonal, law-governed process itself. This personification account reduces [[the experience]] to a kind of make-believe, undermining the claim that we are appreciating [[the machine]] _qua machine_. • **Justification for Expansion:** By systematically dismantling the most obvious alternative solutions, you create a stronger dialectical necessity for your own account in Section 5. It transforms the final paragraph of Section 4 from a simple question ("where do we attribute these qualities?") into a robust defense of [[the problem]]'s legitimacy. This strengthens the overall argument by showing that you have considered and [[ruled out]] simpler explanations, making your "dance with nature" thesis [[not just]] a plausible solution, but the most philosophically robust one. **2. Deepen the "Dance with Nature" Account in Section 5 with a Detailed [[Case Study]]** • **Location:** The second and third paragraphs of Section 5, where the "dance with nature" metaphor is introduced. • **What to Add:** To move the core thesis from an elegant metaphor to a concrete analytical tool, you could dedicate a long paragraph to a detailed [[case study]] of a specific, transparent mechanism. A mechanical watch escapement is a classic and excellent example. ▪ **Step-by-step Analysis:** You could describe the visible action: the balance wheel oscillating, the pallet fork locking and unlocking the escape wheel tooth by tooth. ▪ **Connect Perception to Physics:** Then, you would explicitly connect these perceived movements to the underlying physical laws being engaged. The 'grace' of the balance wheel's rotation is a direct manifestation of its engineered harmony with the principles of simple harmonic motion and the conservation of energy, constrained by the elastic properties of the hairspring. The 'precision' of the pallet fork's action is the perceived result of a design that masterfully manages friction and transfers impulse in a controlled, periodic manner. ▪ **Role of Knowledge:** You could then explain how knowledge of these principles (even at a common-sense level) transforms the aesthetic experience. An uninformed viewer sees a complex, glittering movement. An informed viewer _sees_ the elegant solution to the problem of converting a continuous energy source (the mainspring) into a series of discrete, isochronous parcels of time. They perceive the successful negotiation with the laws of mechanics. This would provide a concrete demonstration of the Carlson analogy you introduce later. • **Justification for Expansion:** This case study would serve as the central proof-of-concept for your entire thesis. It would anchor the abstract concepts of "harmonious interaction" and "engagement with natural laws" in a detailed, verifiable analysis of an actual engineered object. This makes the argument far more persuasive by showing precisely _how_ the aesthetic qualities are grounded in the perceived physics of the situation, adding a layer of analytical detail and rigor that moves beyond the (very effective) initial metaphor. **3. Substantively Expand the "Black Box" Machine Analysis in Section 5** • **Location:** The final two paragraphs of Section 5, currently dealing with concealed mechanisms. • **What to Add:** This part is identified in the text itself as a sketch. This is the most obvious and necessary point of expansion to make the theory truly applicable to modern technology. You could replace the current two paragraphs with a more fleshed-out discussion. ▪ **Unpacking Cognitive Phenomenology:** You could dedicate a full paragraph to this concept. Explain that this is not mere 'imagining' but a structured, knowledge-dependent experience where sensory cues (the low hum of a server rack, the haptic click of a smartphone interface) act as perceptual anchors for a conceptual grasp of the underlying process. The aesthetic quality—say, the 'efficiency' of a file transfer—is experienced as a phenomenal character of the conceptual event, triggered by sparse sensory evidence. You could contrast this with the direct perception of transparent machines to clarify the distinction. ▪ **Deepening the Knowledge-Based Account:** The second paragraph could delve deeper into the analogy with appreciating unseen natural systems or even mathematical objects. For instance, the aesthetic appreciation of an elegant algorithm or a streamlined software architecture is an appreciation of its _formal properties_: its economy, its logical coherence, its clever way of solving a problem within a set of formal constraints (the 'laws' of the logical system). You can argue that this is a genuine aesthetic appreciation of the _engineered functioning_ itself, accessed conceptually rather than perceptually. The 'beauty' lies in the abstract structure of the solution and its harmony with logical or physical principles that it is designed to navigate. ▪ **Aesthetic Flaws in Opaque Machines:** You could also introduce the negative case. How do we aesthetically experience a _badly_ engineered opaque machine? A lagging user interface, a device that overheats, or a buggy piece of software. In these cases, the sensory evidence points to a _disharmonious_ or failed 'dance with nature'. This friction-filled experience provides a negative corollary that strengthens the overall account. • **Justification for Expansion:** The current account, focused on transparent mechanisms, risks being seen as a niche theory applicable only to historical or simple artefacts. By providing a much more robust explanation for how the aesthetic appreciation of _opaque_ machines works, you dramatically increase the scope and relevance of your thesis. It shows that the core concept—appreciating the quality of an engineered system's engagement with laws (be they physical or formal)—is flexible enough to cover the entire range of engineered objects, from mechanical clocks to cloud computing infrastructure. This makes the overall theory far more powerful and complete. I believe focusing on these three areas would allow you to add the desired analytical depth and word count while staying true to the project's core philosophical aims. I look forward to discussing these possibilities with you further. ## gg Attached is a draft of a paper I'm writing. I would like you to write me a new version of section 4 and section 5. These new versions should contain pretty much all of the original text, but also make the following three additions, thereby extending the text by five or six hundred words, at least. Let's say between five hundred words and a thousand words. changes. **1. Fortify the "Attribution Problem" in Section 4** • **Location:** The final paragraph of Section 4, which sets up the attribution problem. • **What to Add:** Before transitioning to your positive account in Section 5, you could expand this section by explicitly considering and refuting several alternative solutions to the attribution problem. This would involve a more detailed pre-emptive analysis of where an observer might mistakenly locate the perceived aesthetic qualities. ▪ **Alternative 1: The Designer.** One could argue that the perceived 'grace' is not in the machine's operation itself, but is simply an appreciation of the _designer's skill_, projected onto the machine. You could add a paragraph arguing that while the designer's ingenuity is certainly a valid object of appreciation (a kind of 'design-appreciation'), it is distinct from the phenomenal experience of the machine's dynamic operation. The former is an intellectual appreciation of a person's past actions; the latter is a perceptual appreciation of a present, unfolding process. ▪ **Alternative 2: Pure Metaphor.** A sceptic might claim that calling a machine's movement 'elegant' is just a loose, metaphorical extension of language, carrying no real aesthetic weight. You could counter this by drawing on the argument from Section 3: if causal dynamics are part of the genuine content of perception, then the qualities of those dynamics (e.g., their smoothness, precision, rhythm) are also genuinely perceived qualities, not mere linguistic projections. The aesthetic predicates are therefore tracking real, observable features of the event. ▪ **Alternative 3: A Fictional Machine-Agent.** One might argue we appreciate the machine by personifying it, treating it _as if_ it were an agent. You could argue that this doesn't fit the phenomenology. When we appreciate the efficiency of an engine's thermodynamic cycle, we are not imagining the engine as a creature skillfully "breathing"; rather, we are appreciating the impersonal, law-governed process itself. This personification account reduces the experience to a kind of make-believe, undermining the claim that we are appreciating the machine _qua machine_. • **Justification for Expansion:** By systematically dismantling the most obvious alternative solutions, you create a stronger dialectical necessity for your own account in Section 5. It transforms the final paragraph of Section 4 from a simple question ("where do we attribute these qualities?") into a robust defense of the problem's legitimacy. This strengthens the overall argument by showing that you have considered and ruled out simpler explanations, making your "dance with nature" thesis not just a plausible solution, but the most philosophically robust one. **2. Deepen the "Dance with Nature" Account in Section 5 with a Detailed Case Study** • **Location:** The second and third paragraphs of Section 5, where the "dance with nature" metaphor is introduced. • **What to Add:** To move the core thesis from an elegant metaphor to a concrete analytical tool, you could dedicate a long paragraph to a detailed case study of a specific, transparent mechanism. A mechanical watch escapement is a classic and excellent example. ▪ **Step-by-step Analysis:** You could describe the visible action: the balance wheel oscillating, the pallet fork locking and unlocking the escape wheel tooth by tooth. ▪ **Connect Perception to Physics:** Then, you would explicitly connect these perceived movements to the underlying physical laws being engaged. The 'grace' of the balance wheel's rotation is a direct manifestation of its engineered harmony with the principles of simple harmonic motion and the conservation of energy, constrained by the elastic properties of the hairspring. The 'precision' of the pallet fork's action is the perceived result of a design that masterfully manages friction and transfers impulse in a controlled, periodic manner. ▪ **Role of Knowledge:** You could then explain how knowledge of these principles (even at a common-sense level) transforms the aesthetic experience. An uninformed viewer sees a complex, glittering movement. An informed viewer _sees_ the elegant solution to the problem of converting a continuous energy source (the mainspring) into a series of discrete, isochronous parcels of time. They perceive the successful negotiation with the laws of mechanics. This would provide a concrete demonstration of the Carlson analogy you introduce later. • **Justification for Expansion:** This case study would serve as the central proof-of-concept for your entire thesis. It would anchor the abstract concepts of "harmonious interaction" and "engagement with natural laws" in a detailed, verifiable analysis of an actual engineered object. This makes the argument far more persuasive by showing precisely _how_ the aesthetic qualities are grounded in the perceived physics of the situation, adding a layer of analytical detail and rigor that moves beyond the (very effective) initial metaphor. **3. Substantively Expand the "Black Box" Machine Analysis in Section 5** • **Location:** The final two paragraphs of Section 5, currently dealing with concealed mechanisms. • **What to Add:** This part is identified in the text itself as a sketch. This is the most obvious and necessary point of expansion to make the theory truly applicable to modern technology. You could replace the current two paragraphs with a more fleshed-out discussion. ▪ **Unpacking Cognitive Phenomenology:** You could dedicate a full paragraph to this concept. Explain that this is not mere 'imagining' but a structured, knowledge-dependent experience where sensory cues (the low hum of a server rack, the haptic click of a smartphone interface) act as perceptual anchors for a conceptual grasp of the underlying process. The aesthetic quality—say, the 'efficiency' of a file transfer—is experienced as a phenomenal character of the conceptual event, triggered by sparse sensory evidence. You could contrast this with the direct perception of transparent machines to clarify the distinction. ▪ **Deepening the Knowledge-Based Account:** The second paragraph could delve deeper into the analogy with appreciating unseen natural systems or even mathematical objects. For instance, the aesthetic appreciation of an elegant algorithm or a streamlined software architecture is an appreciation of its _formal properties_: its economy, its logical coherence, its clever way of solving a problem within a set of formal constraints (the 'laws' of the logical system). You can argue that this is a genuine aesthetic appreciation of the _engineered functioning_ itself, accessed conceptually rather than perceptually. The 'beauty' lies in the abstract structure of the solution and its harmony with logical or physical principles that it is designed to navigate. ▪ **Aesthetic Flaws in Opaque Machines:** You could also introduce the negative case. How do we aesthetically experience a _badly_ engineered opaque machine? A lagging user interface, a device that overheats, or a buggy piece of software. In these cases, the sensory evidence points to a _disharmonious_ or failed 'dance with nature'. This friction-filled experience provides a negative corollary that strengthens the overall account. • **Justification for Expansion:** The current account, focused on transparent mechanisms, risks being seen as a niche theory applicable only to historical or simple artefacts. By providing a much more robust explanation for how the aesthetic appreciation of _opaque_ machines works, you dramatically increase the scope and relevance of your thesis. It shows that the core concept—appreciating the quality of an engineered system's engagement with laws (be they physical or formal)—is flexible enough to cover the entire range of engineered objects, from mechanical clocks to cloud computing infrastructure. This makes the overall theory far more powerful and complete. I believe focusing on these three areas would allow you to add the desired analytical depth and word count while staying true to the project's core philosophical aims. I look forward to discussing these possibilities with you further. TEXT: ** # The Aesthetics of Engineering ## Introduction Can we make sense of the idea of an aesthetics of engineering as separate from an aesthetics of design? Here, we argue that we can.  Despite plenty of borderline cases, there are some objects which we would more naturally think of as engineered rather than just designed even if they have the same function: we are happy to call a sewing machine a product of engineering, but less so a sewing needle; similarly, ‘cars’ and ‘engineering’ go together in a way that ‘sledge’ and ‘engineering’ do not. The intuitive difference between these pairs of artefacts seems to lie in their mode of operation. Our account centres on the experience of a machine’s autonomous functioning, which is clearest when its mechanism is perceptually accessible. In addition to the sewing machine, where one can observe the coordinated action of the needle bar and shuttle hook, one might consider a record player. Here, an observer can see the tonearm track the groove of the spinning platter, a dynamic process that transduces physical information into sound. It is the aesthetic appreciation of such operational dynamics that this paper aims to explore. Concentrating on these cases of transparent functioning is a methodological choice. We acknowledge that many contemporary machines are effectively black boxes whose internal workings are concealed. By focusing on paradigmatic instances where the mechanism is visible, we aim to first establish a core account of engineering aesthetics. This foundational account, we suggest, might later be extended to more opaque cases, an issue we briefly return to in the final section.[endnote: A fuller treatment of black box machines is returned to in the latter part of Section 5.] With this focus in mind, our inquiry proceeds as follows. First, to make the intuitive distinction between artefacts more robust, Section 1 draws on the Terrone (2019) to define engineering as a science-led activity and then uses Lowe’s distinction between machines and utensils to isolate its paradigmatic objects. Section 2 argues that existing aesthetic theories, while applicable to an artefact’s function, are ill-equipped to account for the aesthetics of a machine’s unique functioning. To ground our positive account, Section 3 establishes a perceptual basis for experiencing causal dynamics. Section 4 explores the aesthetic potential of these perceived dynamics, before Section 5 presents our positive account: an aesthetics of engineering grounded in appreciating a machine’s operational engagement with natural laws. ## 1. Utensils vs. Machines To make the distinction between engineered and non-engineered artefacts sharper, a working definition of engineering is needed. Following Terrone (2019), we can understand engineering as an activity distinguished from other forms of making, such as craft or tecnica, by its explicit application of theoretical science. While a craftsman may use scientific principles implicitly, Terrone notes that engineering "is not satisfied that an artifact works, but also aspires to explain why it works" (p. 30). This aspiration requires the explicit use of scientific theory in the design and realisation of its works. This science-led design process results in a particular kind of artefact: one whose function is performed "by virtue of a structure whose identification requires scientific knowledge" (Terrone 2019, p. 138). For instance, while one does not need specific scientific knowledge to fashion a knife that cuts, one cannot build a telephone without knowledge of the laws governing electromagnetism. This focus on artefacts whose functioning is grounded in scientific principles leads us to Lowe’s work. Lowe provides a metaphysical distinction that captures the nature of these paradigmatic engineered objects. He introduces a distinction between two types of artifact: utensils and machines. He defines utensils as artifacts that, by their own nature, do nothing; instead, they are configured to be suitable for human use (Lowe 2014, p. 24). As he states: A table or a hammer, it seems, does nothing at all by its own very nature: it is only configured in a way that makes it apt for us to use, so that we can do something with it. In this case, we alone are the doers, not the table or hammer. (Lowe 2014, p. 24) Consequently, for Lowe, utensils are not governed by any special, sortal-specific laws dictating their behaviour beyond the general physical laws applicable to their constituent parts (Lowe 2014, p. 25). In contrast, machines are characterised as artefacts possessing an intrinsic principle of activity, governed by what he terms sortal-specific laws—specifically engineering laws distinct from general physical laws (Lowe 2014, p. 24). As he explains: My answer is that the members of such machine kinds all seem to embody a distinctive unifying principle of activity which is constrained by sortal-specific laws. The laws in question are, moreover, distinctively laws of engineering, not mere laws of ‘natural science’ or ‘physics’, in the entirely indiscriminate sense in which the latter concern the behaviour of physical systems quite generally, at all scales of size and mass from that of fundamental particles upwards. (Lowe 2014, p. 24) These engineering laws are specific instantiations of natural laws harnessed through Terrone’s science-led design process. Machines are thus defined by their capacity for autonomous, law-governed operation. Lowe argues that this distinction is metaphysically significant. Because machines possess an internal principle of activity governed by engineering laws, they have a stronger claim to being ontologically robust, or real, than utensils. Utensils, he sees, are more passively dependent on human users and intentions (Lowe 2014, pp. 17, 25-26). While Lowe's overall argument is not our focus here, his way of differentiating two types of artifact is a promising starting point for an aesthetics of engineering. If machines seem to embody a unifying principle of activity, and utensils do not, then, potentially, this might allow for machines to be appreciated in a way that utensils cannot. Lowe acknowledges that the utensil-machine distinction may not always be sharp. He notes the existence of borderline cases but maintains this does not undermine the distinction's value. He states: Of course, this then raises the question of how sharp the machine/utensil distinction can credibly be said to be. To which I reply that, while there may indeed be borderline cases, so too are there between living and nonliving things, and that we should not allow the existence of borderline cases to undermine our belief in real distinctions. (Lowe 2014, p. 26) Lowe’s comparison to living and non-living things is important here. Just as we often aesthetically appreciate living organisms – for example, the form of a running animal – differently from non-living natural objects such as the structure of a crystal, the utensil/machine distinction might similarly ground distinct aesthetic approaches, despite its fuzzy edges. The conceptual separation can therefore remain a useful tool for analysing the aesthetic properties of designed objects. This claimed difference between utensils and machines suggests they might also be appreciated aesthetically in different ways. For example, we might aesthetically value a well-crafted knife – a utensil – for its balance and how effectively it extends our physical agency. In contrast, we might value a complex mechanical clock – a machine – for the ingenuity of its self-contained, law-governed movement, irrespective of our direct interaction with it. ## 2. The Limits of Functional Aesthetics Having established Lowe's distinction between utensils and machines – and thereby a more robust understanding of what constitutes a machine as an artefact possessing an internal principle of activity and governed by sortal-specific engineering laws – we can now examine whether existing prominent theories of functional aesthetics possess the resources to account for what might be aesthetically distinctive about machines, given these defining characteristics. This section will argue that neither Parsons and Carlson's Functional Beauty nor Forsey's Kant-inspired approach fully captures these machine-specific aesthetic dimensions. While these theories offer insights into how function broadly relates to aesthetic appreciation, they appear to lack the specificity required to fully articulate the unique aesthetic appreciation of machines as machines, particularly those qualities arising from their autonomous, law-governed internal operations. To sharpen this analysis, it is useful to introduce a distinction between an artefact's function and its functioning. An artefact's function can be understood as its intended purpose or the end goal it is designed to achieve; for instance, both a sewing machine and a simple needle share the function of stitching fabric. Its functioning, by contrast, refers to the specific process or manner in which that function is realised. Here, the machine and the utensil diverge significantly. A needle’s functioning is wholly constituted by the direct, continuous agentive input of its user. A sewing machine’s functioning, however, is an autonomous, law-governed process enacted by its internal mechanism; it is the manifestation of what Lowe identifies as a machine's defining 'intrinsic principle of activity'. This distinction is pertinent to aesthetics because while two objects might be assessed against the same function, the aesthetic appreciation of their respective functioning may require different approaches. Consider first Parsons and Carlson's (2008) account of Functional Beauty. Core concepts such as an object "looking fit for function" and the role of "knowledge of function" in shaping perception can certainly be applied to machines. A machine’s static form, for instance, can suggest its intended purpose, and an understanding of its underlying engineering can inform its aesthetic appreciation. However, the limitation of this framework becomes apparent when attempting to isolate what is aesthetically specific to machines. For example, while criteria such as an object "looking fit for function" or appearing "elegantly minimal" can undoubtedly apply to a machine like a sewing machine, they can equally apply to a utensil like a well-designed needle. If both a sewing machine and a needle can "look fit" for the purpose of stitching or exhibit ‘elegance’ in their design, then these general aesthetic qualities alone do not explain the distinct aesthetic experience that might arise from the sewing machine’s nature as a machine. This nature involves its autonomous, internally-driven mechanism, as opposed to the needle’s passive reliance on a user. The framework, in this light, appears well-suited to assess the aesthetics of an object's static form in relation to its intended function, but less equipped to specifically address the aesthetic qualities of a machine's dynamic functioning. Similar difficulties arise when considering Forsey’s (2013) Kant-inspired approach to the aesthetics of design. On this view, aesthetic appreciation involves judging an object’s ‘perfection’ relative to its intended purpose, or its concept as a specific kind of artefact. This is pertinent to machines, as appreciating the successful realisation of a machine’s complex engineering design aligns with such an assessment. One can assess both a sewing machine and a needle based on their visual features to form an aesthetic judgement about their "perfection" in fulfilling their function of stitching. Forsey’s emphasis on "putting artefacts to the test" to ascertain whether they work well, also seems insufficient to differentiate the aesthetic appreciation of machines. Both a sewing machine and a needle can be ‘tested’ to determine their functional efficacy. [endnote: For a detailed treatment of the aesthetics of utensils, see [Young & Terrone, under review]. In that work, we argue that the aesthetic appreciation of utensils is grounded in the user’s agentive experience—the phenomenal feel of using a well-designed tool. This account moves beyond perception-based or judgment-based approaches to focus on the experience of use itself. Drawing on concepts such as aesthetic effortlessness, the argument is that using a utensil can be an aesthetically rewarding experience, akin to a kind of 'dancing with a technical artefact'. This agentive account, which we term 'beauty in use', is by its nature applicable to utensils but cannot be straightforwardly applied to machines as defined here. Since a machine's functioning is autonomous and does not require the user's continuous, direct agentive input to be sustained, its aesthetic appreciation cannot be grounded in the same kind of first-person agentive phenomenology. This motivates the need for a distinct aesthetic account for machines, one which, as this paper will argue, focuses not on the experience of using the artefact, but on the experience of observing its autonomous functioning.] However, the judgment of functional perfection that results does not, in itself, highlight aesthetic qualities that are unique to the sewing machine as a machine. Such qualities might include, for instance, those related to the ingenuity of its internal mechanism or the character of its autonomous operation. The framework appears to assess functional success broadly, without necessarily isolating the aesthetic appreciation of the specific mode of that success when it comes to machines. Here again, the assessment seems to centre on the successful fulfilment of a function, rather than providing specific tools to aesthetically appreciate the unique character of a machine's autonomous functioning. In sum, it seems that both Functional Beauty and Forsey's Kantian approach, while providing valuable frameworks for understanding functional aesthetics in a general sense, may not possess the specific conceptual resources to isolate, fully explain, or give due weight to the aesthetic appreciation that is specifically tied to the defining characteristics of machines as identified by Lowe: their autonomy, their internal principle of activity, and their governance by engineering laws. These theories can tell us how machines, considered as functional objects, might be aesthetically valued. They may not, however, fully explain how machines, qua machines, offer a distinct set of aesthetic experiences or qualities that derive directly from their unique mode of being and operating. This critique, therefore, establishes the necessity for a more specific account. The groundwork for this account will be laid in the following sections, first by establishing a perceptual basis for our thesis, before the positive account itself is developed. ## 3. Experiencing Causal Dynamics The aesthetic account of machines in operation to be developed in this paper rests upon the claim that observers can perceptually experience the forces and causal interactions inherent in the functioning of such artefacts. Our account rests on the idea that causality can be perceived, in the sense that it is included in perceptual content. This aligns with what Susanna Siegel (2010) terms the Rich Content View, the thesis that "In some visual experiences, some properties other than spatial properties, color, shape, motion, and illumination are represented" (p. 7). More specifically, Siegel defends the Causal Thesis: "Some visual experiences represent causal relations" (p. 117). Such relations might include "pushing, pull-ing, lifting, stopping, moving, supporting, hanging-from, and preventing something from happening" (Siegel 2010, p. 117). For example, in considering an experience of seeing a cat on a hammock, she suggests the experience can represent "that the cat is pressing the hammock downward" (Siegel 2010, p. 121). In such instances, the causal interaction itself arguably forms part of the visual phenomenology, not merely an intellectual gloss added post-perceptually. To support such claims about the contents of experience, Siegel (2010) employs the method of phenomenal contrast. This method involves comparing two experiences that are stipulated to differ phenomenally, and then arguing that the best explanation for this phenomenal difference is a corresponding difference in their representational contents. For instance, to argue for the Causal Thesis, she describes a pair of experiences involving a ball landing in a potted plant, followed immediately by the lights going out (Siegel 2010, pp. 122-123). In one scenario (the ‘target experience’), it may seem to the observer that the ball's landing caused the lights to go out, even if the observer does not believe this to be the case. In the contrasting scenario, the observer sees the ball land and the lights go out, but the experience "does not involve any feeling that the ball’s landing caused the lights to go out" (Siegel 2010, p. 122). Siegel argues there can be a phenomenal difference between these two experiences, specifically in how the successive events seem to be unified, or not. The Causal Thesis, she suggests, "provides a plausible account of the contrasting experience in each pair" (Siegel 2010, p. 124), suggesting that the phenomenal difference is best explained by the presence of causal content in the target experience and its absence in the contrasting one. Such philosophical positions concerning rich perceptual content, including the perception of causality, are furthermore consistent with certain lines of empirical inquiry within cognitive science regarding human sensitivity to causal relations and physical interactions (cf. Michotte 1963; Ritchie et al. 2021). These considerations suggest that if everyday events involving force and cause can be directly perceived, then the interactions within a working machine are also plausible subjects for similarly rich perceptual experience. When a machine is in operation, an observer is presented with a scene of interacting components, energy transformations, and material responses. Given the perceptual capacity to apprehend causal dynamics in everyday events, as supported by arguments like Siegel's, it is plausible that observers perceive more than mere shapes in motion when attending to a working machine. They might perceive, for instance, the driving of one part by another, the resistance of a component under load, or the transmission of force through a linkage. In our example of the sewing machine, its coordinated action renders these causal relations perceptible—not as intellectual gloss but as the sensible manifestations of its operational principles. This perceived causal efficacy of a machine’s components, and the interplay of forces it makes manifest, contribute to an experiential understanding of its function as it unfolds. The argument here is not that precise physical quantities – such as specific Newtons of force – are perceived in a strictly scientific sense. Instead, the contention is that the qualitative character of forces being marshalled, resisted, or generated, and the causal roles played by different parts, can be part of the content of the visual and auditory experience of the machine in action. These perceived forces and interactions are the sensible manifestations of operational principles. Thus, there appears to be a defensible philosophical basis, consistent with some empirical studies, for the claim that causal dynamics and force interactions can be directly apprehended within perceptual content. These perceived dynamics are pertinent manifestations of a machine's operation and of what Lowe (2014) describes as its ‘principle of activity’. This rich perceptual foundation is consequently important. It allows the aesthetic appreciation of machines in operation, to be explored in the subsequent section, to be grounded in genuine experiential qualities, rather than solely in intellectual understanding or post-perceptual judgement. ## 4. The Aesthetic Potential of Perceived Causal Dynamics The preceding section argued for the perceptual availability of causal dynamics; that is, for the view that the experience of forces being marshalled, interactions occurring, and effects being produced can be part of the content of perception itself. Building upon this foundation, the present section explores how such perceived causal content can, on certain occasions, be aesthetically appreciated. The argument here is that the force-laden interactions and movements we perceive, both in skilled human actions and in the operation of machines, can possess distinct aesthetic qualities. This will involve drawing an analogy with the aesthetic appreciation of human skill, applying this to machines, and then noting a point of difference concerning the attribution of these aesthetic qualities. This difference then informs the positive account developed in the subsequent section. Consider, first, how we aesthetically appreciate expert actions. Our aesthetic appreciation is often directed not only at the outcome of such actions – a tennis ball landing in court, ingredients being perfectly sliced – but at the way in which the action is performed. This involves perceiving the interaction of forces: a tennis player’s timed application of force through the racket to the ball, or a chef’s controlled exertion of force through a knife. Qualities such as grace, elegance, power, precision, or efficiency are frequently ascribed to these perceived causal events. The aesthetic appreciation, in these instances, seems tied to perceiving the causal efficacy and the masterful handling of forces integral to the action itself. A similar mode of aesthetic appreciation, we suggest, can be extended to the observation of machines in operation. If, as argued in Section 3, we can perceive the causal dynamics within a working machine, then it is plausible that we can also find aesthetic qualities in these perceived dynamics. One might perceive grace in the smooth articulation of a robotic arm. One might perceive elegance in the intricate and efficient interplay of gears within a clockwork mechanism. Power might be perceived in the forceful action of an industrial stamping press, or rhythm in the cyclical operation of an engine. These aesthetic qualities are not attributed to static forms alone; they are qualities of the machine’s functioning, tied to the perceived movements, the interactions between components, and the perceived forces being generated, transmitted, or controlled by the machine as it carries out its function. A difference emerges, however, when considering the attribution of such aesthetic qualities. In cases of skilled human action, such as a chef’s knife work, aesthetic qualities like grace are typically ascribed to the human agent, or to the agent-utensil system as an extension of their agency. Concerning such utensils, Lowe (2014, p. 24) notes, "In this case, we alone are the doers, not the table or hammer." The utensil itself is not the primary locus of the action's grace. This contrasts with machines; as established in Section 1, they possess their own principle of activity, which raises the question of how analogous aesthetic qualities are to be attributed to their autonomous operations. Whereas grace in human action often reflects agential skill, we will argue that grace in machine operation reflects the quality of the designed system’s interaction with natural laws. One might, of course, simply assert that the perceived movements of machines can be experienced as graceful or efficient, and that such direct attribution is unproblematic. This direct attribution, however, may be viewed as explanatorily incomplete. Aesthetic qualities such as grace, when applied to human actions, are often understood in relation to skill, intention, or expression—features absent in a machine. If one finds the simple ascription of such qualities to an inanimate, non-agentive mechanism unsatisfying, this motivates a search for a deeper or alternative grounding for these perceived aesthetic properties. The subsequent section proposes such an alternative, reframing the object of aesthetic appreciation to more fully account for the aesthetic experience of machines in operation. ## 5. Engineering's Dance with Nature: A Positive Account of Machine Aesthetics To resolve the attribution issue raised at the end of the previous section, this paper proposes that the aesthetic qualities perceived in a machine's operation are best understood as arising from the engineered mechanism's successful and harmonious interaction with fundamental natural laws and forces. This perception of causal dynamics, established as experientially rich in Section 3, is what enables the aesthetic valuation of a machine’s harmonious engagement with physical principles. Instead of being attributed to a non-existent machine-agent, or being merely subjective projections, such qualities arise from this dynamic engagement with the physical world. This perspective offers a distinct way to ground the aesthetics of engineering. Recall that machines, as Lowe (2014) characterises them, operate according to ‘sortal-specific engineering laws’. It is important to recognise that these engineering laws are themselves specific applications or instantiations of more fundamental natural laws, such as the principles of mechanics, thermodynamics, electromagnetism, or fluid dynamics. Engineering design, at its core, involves a deep understanding and skilful utilisation of these natural laws and forces to achieve a predetermined purpose. A well-engineered machine, therefore, is one whose design and operation are in profound accord with these underlying physical principles. This relationship forms the basis for its aesthetic appreciation. The metaphor of an engineering's dance with nature may serve as an explanatory concept here. The aesthetic qualities perceived in a machine's operation – such as grace, efficiency, or power – are qualities of its interaction with the physical world. For instance, grace in a machine might be the seamless way its design allows it to operate in conformity with physical laws, as exemplified by an aerodynamic wing generating lift. Efficiency might be the perceived optimal harnessing of energy, reflecting a design that navigates natural constraints. Power then becomes the visible mastery of natural forces, channelled through the engineered system. This dance is orchestrated by human ingenuity embedded in the engineering design; the design itself is the choreography that enable the machine to engage with natural laws in this aesthetically appreciable way. The role of knowledge in appreciating this interaction can be illuminated by drawing an analogy with Allen Carlson’s (2000) ‘natural environmental model’ for the aesthetic appreciation of nature. Carlson argues that appreciating nature aesthetically requires appreciating it as it is, informed by scientific knowledge of ecology, geology, and so forth. Similarly, a deep aesthetic appreciation of a machine's dance with nature is significantly enhanced by, and often dependent on, knowledge of the relevant engineering principles and physical laws it employs. Such knowledge allows the observer to see beyond mere surface movements to the underlying principles being masterfully engaged. As Carlson suggests for nature, this "knowledge, essentially common-sense/scientific knowledge... [makes] raw experience... determinate, harmonious, and meaningful." Understanding the thermodynamic cycle of an engine, for example, transforms the perception of its operation from mere mechanical motion to an appreciation of a sophisticated energy conversion process. Carlson’s dictum that "appreciation must be centered on and driven by the real nature of the object of appreciation itself" is pertinent; for a machine, its "real nature" is its engineered capacity to interact with physical laws. This perspective allows us to understand the aesthetic appreciation of machines, in part, as a disguised aesthetics of the environment or, more precisely, an aesthetics of nature’s laws made manifest. In aesthetically appreciating the machine's interaction with these fundamental forces and laws, we are, in a sense, aesthetically appreciating aspects of nature itself – its inherent order, power, and principles – as they are revealed and channelled by the human-made artefact. It is not an appreciation of pristine, untouched nature, but of nature as actively engaged, utilised, and rendered intelligible through the medium of engineering. The machine thus acts as a kind of lens or stage for the display of these natural principles, and this helps to ground the aesthetic value: the beauty is not just in the artefact, but in the successful and insightful way it relates to and operates within the fundamental framework of the natural world. This account thereby resolves the attribution problem noted earlier. The aesthetic qualities are not attributed to a fictional machine-agent. Instead, they are attributed to the quality of the designed system's interaction with natural laws and forces. The grace is in the harmony of this interaction, an interaction made possible by human engineering. Consequently, the human designer's intelligence and skill are indirectly appreciated through the machine's successful "performance" in its engagement with nature. This entire aesthetic appreciation, it must be reiterated, is grounded in the perceptual experience of the machine's operational dynamics – we see, in the rich sense established in Section 3, the forces being marshalled, the laws being adhered to, and the resulting harmonious or powerful interaction that constitutes its dance with nature. This account, grounded in the perception of causal dynamics and informed by knowledge of engineering and physical principles, offers a robust and distinctive way to understand the unique aesthetic appeal of machines in operation. It forms the core of a specific aesthetics of engineering. When a machine’s mechanisms are concealed, its dance with nature does not become aesthetically inaccessible; rather, its perceptible effects become evidence for the unseen choreography. This appreciation of nature’s laws made manifest is then achieved through a more cognitive or conceptual mode of access. First, this appreciation can take the form of a cognitive phenomenology. An observer uses external sensory cues—the quiet hum and perceived coolness from a refrigerator, the haptic response of a solid-state button, the speed with which a computer renders a file—as evidence for the unseen processes. The aesthetic experience is of the imagined or conceptually-grasped internal dynamics. Here, knowledge of the machine's functioning shapes the experience of its perceived effects, allowing an appreciation of the inferred harmony of its unseen dance. Second, this mode of appreciation aligns with the knowledge-based aesthetic appreciation of unseen natural systems (cf. Carlson 2000). Just as scientific knowledge allows one to aesthetically appreciate the elegance of an unseen process like photosynthesis, technical knowledge of an operating system’s architecture can allow one to appreciate the efficiency of its file management. In these cases, the role of knowledge, already established as key, becomes paramount. The appreciation is of the elegance of the engineered solution itself as it successfully engages with physical or logical laws, even when its functioning is not directly perceived. ## 6. Conclusion This paper has argued for a distinct aesthetics of engineering, grounded in the unique nature of machines. We began by making the intuitive distinction between engineered and non-engineered artefacts more robust, employing Terrone’s definition of engineering as a science-led activity and Lowe’s metaphysical division between utensils and machines. This framework allowed us to critique existing aesthetic theories, arguing that their focus on an artefact’s function is insufficient to capture the aesthetic qualities of a machine’s autonomous functioning. To ground our positive account, we established a perceptual basis for experiencing the causal dynamics of a machine in operation. Our central claim is that the aesthetic appreciation of machines is an appreciation of their engineering's dance with nature: the perceived harmony of their successful engagement with fundamental physical laws, an engagement orchestrated by human design. This account resolves the problem of attributing aesthetic qualities to non-agentive objects and anchors such appreciation in the machine's observable, dynamic performance. This inquiry opens at least two avenues for future work. The first involves a fuller development of the aesthetic appreciation of black box machines, building on the sketches of cognitive phenomenology and knowledge-based appreciation offered here. A second, and perhaps complementary, avenue concerns the agentive experience of machines. While this paper has focused on the aesthetic experience of an observer, many machines, such as cars, are also experienced by a user who feels their functioning through direct interaction. An analysis of this haptic and kinaesthetic feedback, and the sense of partnership with a machine, could provide another dimension to the aesthetics of engineering. ## References Carlson, Allen. Aesthetics and the Environment: The Appreciation of Nature, Art and Architecture. Routledge, 2000. Forsey, Jane. The Aesthetics of Design. Oxford University Press, 2013. Lowe, E. J. “How Real Are Artefacts and Artefact Kinds?” In Artefact Kinds: Ontology and the Human-Made World, edited by Martin Franssen, Peter Kroes, Thomas A. C. Reydon, and Pieter E. Vermaas, 17-26. Springer, 2014. Michotte, Albert. The Perception of Causality. Translated by T. R. Miles and Elaine Miles. Methuen, 1963. Parsons, Glenn, and Allen Carlson. Functional Beauty. Oxford University Press, 2008. Ritchie, J. B., M. K. M. Mak, and M. A. Goodale. “Perceiving the Mechanical Properties of Materials from Static Cues.” Journal of Vision 21, no. 6 (2021): 9. 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