a: Mechanical adhesion ~
b: velcro

What: "Mechanical adhesion is like Velcro. Two rough surfaces have many little places that catch onto one another, like hooks catch loops."From:Why Is Milk White?: & 200 Other Curious Chemistry Questions

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Writer: Alexa Coelho, ‎Simon Quellen Field
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Date: Dec 31 2013 8:37 PM


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