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posted by martyb on Thursday August 27 2015, @09:41PM   Printer-friendly
from the Did-you-let-Chuck-Norris-try? dept.

People, trucks and even military tanks have tried and failed the task of pulling apart two phone books lying face up with their pages interleaved, like a shuffled deck of cards. While physicists have long known that this must be due to enormous frictional forces, exactly how these forces are generated has been an enigma – until now.

A team of physicists from France and Canada has discovered that it is the layout of the books coupled with the act of pulling that is producing the force.

http://phys.org/news/2015-08-mystery-impossible-interleaved.html

[Source]: http://theconversation.com/solved-the-mystery-of-why-its-impossible-to-pull-apart-interleaved-phone-books-46697


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  • (Score: 0) by Anonymous Coward on Friday August 28 2015, @07:33PM

    by Anonymous Coward on Friday August 28 2015, @07:33PM (#229138)

    Uses that immediately came to mind:

    Shread it and add it to a compost heap as brown content (like dead leaves).
    This page also suggests using it as weed-defeating mulch. [thriftyfun.com][1]
    Broadsheet-sized grocery ads seem like a better material for that--unless your garden is really tiny.

    Using zero-cost phone book pages (or newsprint) to clean windows in place of non-gratis paper towels is a trick my mom adopted many decades ago.
    (Mentioned by a commenter on the linked page.)

    [1] Really awful HTML. [w3.org]

    -- gewg_