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[Previous entry: "Nice list of google earth hotspots."] [Main Index] [Next entry: ""] 11/08/2005 Entry: "Unintentially hilarious space.com article on how rockets and guitars are alike." Unintentially hilarious space.com article on how rockets and guitars are alike. Oh this has to be a joke or something. Did you know both guitars and spaceships resonate and have chambers? Geez, must be a slow space month or something. I think this is a paid Clint Black guerilla advertising thing. Consider this: A guitar is constructed from dozens of parts: tuning knobs, clamps, the sides and faces of the air chamber and, typically, six strings. The strings produce six fundamental frequencies: 82 Hz, 110 Hz, 147 Hz, 196 Hz, 247 Hz, 330 Hz corresponding to the open notes of E2, A2, D3, G3, B3, and E4. A typical rocket, on the other hand, is made of thousands of parts. The space shuttle famously contains more than a million components. All these pieces vibrating together produce a cacophony of frequencies ranging from subsonic waves that only an elephant could hear to high-pitched whines akin to fingers scratching a blackboard.