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'40s RaveProblem BodyTURN UP TEH N0ISE!!11!1!
AuthorsSunoo Park (sp590) DescriptionThe puzzle consists, in a nod to internet culture of days gone by, of a Flash loop overlaid with a short piece of perpetually looping electronic music. The experienced observer may realise that the scrolling image depicts a shoddily stretched fragment of vacuum tube shelves as they were commonplace in the earliest computers - in fact, it is lifted straight from this image. The core clue, however, lies in the melody played itself. Using notes to encode short textual messages is a staple trick of continental European musical tradition, and absolute pitch or any software keyboard will quickly allow one to determine that the four audible notes looped in the motif are E, D, A and C. Somewhat unfortunately, English notation does not natively permit encoding the letter S by E-flat, and depending on foreign conventions for note naming seemed to lie rather far out in xkcd woodchips territory. However, one might notice that the conspicuous break between the first and the last two notes of the sequence is filled by a hissing sound (authentically sampled from the speech of one of the authors). Interpreting this sound as an "S" yields the overall sequence E, D, [S], A, C. As it would happen, the machine in question first became operational in the late 1940s. SolutionEDSAC Correct submissions
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