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Aesthetic investigations of computation are stuck in an impasse, caused by the difficulty
of accounting for the ontological discrepancy between the continuity of sensation and the
discreteness of digital technology. This article proposes a theoretical position intended
to overcome that deadlock. It highlights how an ontological focus on continuity has
entered media studies via readings of Deleuze, which attempt to build a ‘digital
aisthesis’ (that is, a theory of digital sensation) by ascribing a ‘virtuality’ to
computation. This underpins, in part, the affective turn in digital theory. In contrast to
such positions, this article argues for a reconceptualization of formal abstraction in
computation, in order to find, within the discreteness of computational formalisms (and
not via the coupling of the latter with virtual sensation), an indeterminacy that would
make computing aesthetic qua inherently generative. This indeterminacy, it is argued here,
can be found by reconsidering, philosophically, Turing’s notion of ‘incomputability’.