Recent studies in design research and science and technology studies (STS) have investigated how speculative thinking might be applied in empirical contexts. A unifying feature of speculative approaches has been an interest in futures as mediated, shaped and conditioned by science and technology. Yet concrete methodological conditions of speculative research events remain under-explored. There is a need for a more nuanced understanding of speculation ‘as it works’. While speculation does not constitute a unified method or analytical grid with a defined set of elements, speculative research is not innocently playful or free of methodological constraints. Speculation denotes here philosophically driven knowledge production conducted with rese...