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Coffee a la Mode
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Robert D. Anderson 2006
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A cup of black coffee vibrating at a NORMAL MODE frequency (about 20Hz). The pattern of standing waves is similar to Chladni patterns on a circular disc, (however these reflected areas are anti-nodes, Chladni patterns are of nodes).

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  • Robert Anderson United Kingdom (Private Message)
    10/24/06 5:20 PM

    JOURNAL: PHYSICS EDUCATION Volume 41, Number 6,
    November 2006
    TITLE: Physics on a shoestring
    AUTHORS: Mr Robert Anderson

    Communication has now been published online, and is available at

    http://stacks.iop.org/0031-9120/41/485.

    Please cite your communication as:
    Phys. Educ. 41 (2006) 485-485.
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