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Interactive video lesson plan for: Making Wrinkles

Activity overview:

The wrinkles on a raisin result from a simple effect: As the pulp inside dries, the skin grows stiff and buckles to accommodate its shrinking size. Now, a team of researchers at MIT has discovered a way to harness that same principle in a controlled and orderly way, creating wrinkled surfaces with precise sizes and patterns.

This basic method, they say, could be harnessed for a wide variety of useful structures: microfluidic systems for biological research, sensing and diagnostics; new photonic devices that can control light waves; controllable adhesive surfaces; antireflective coatings; and antifouling surfaces that prevent microbial buildup.

A paper describing this new process, co-authored by MIT postdocs Jie Yin and Jose Luis Yagüe, former student Damien Eggenspieler SM '10, and professors Mary Boyce and Karen Gleason, is being published in the journal Advanced Materials.

Read more at MIT News: http://web.mit.edu/newsoffice/2012/wrinkled-surfaces-could-have-widespread-applications-0801.html

Music by Alastair Cameron.
Animations by Jie Yin, MIT.
Image courtesy Michael Scott.

Tagged under: Chemical engineering,Mechanical engineering,Inventions innovations

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