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Kuhn's Jellyfish

Kuhn's "example illustrates how the entrenched expectations of experimental outcomes and prescribed instrumental functions of an insider’s view of the laboratory and its equipment can pose a threat to new discoveries. The circumstances that enabled Roentgen (an insider) to first notice these new rays are not clear, but Kuhn proposes that the occurrence of anomaly enables discovery and that Roentgen’s ‘recognition that nature has somehow violated the paradigm-induced expectations that govern normal science’ (1970: 52–3) was important. Kuhn emphasises that Roentgen valued the anomaly instead of ignoring it – a vital step in the process of discovery" (Liebenberg 2021: 114).
Igemfe

"The transverse flute is rarely seen among the Zulu, who, if they make and use it, call it igemfe, the name of a totally different instrument. I possess three specimens, one from Inchanga, one from Pietermaritzburg district, and one from Ixopo. The first two are open at the end opposite the embouchure, and have three finger-holes; the third is a curiously aberrant example, being closed at both ends and having four finger–holes arranged in pairs" (Kirby 2013: 179) Hornbostel-Sachs number: 421.121.32 Stopped side-blown flutes with fingerholes, Length: 291mm (11.4in), Diameter: 36mm (1.2in), Place of production: St. Michael's-on-Sea (KwaZulu-Natal, South Africa).