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Robert D. Anderson 2006

Coffee a la Mode

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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Added: December 17, 2007
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  • Robert Anderson blank United Kingdom (Private)blank
    5 years 4 months ago
    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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