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Radically Inept
Monday, October 11, 2004
  What would you like to 'morph'?

Virginia Tech leads effort to develop new, shape-changing materials:
Blacksburg, Va., Va., September 29, 2004 -- Over the next 17 months, Virginia Tech will lead a team of researchers exploring the development of a new class of materials that will use plant protein structures in an attempt to mimic biological systems. The Defense Science Office of the Defense Advanced Research Project Agency (DARPA) is funding the $2.1 million project.

DARPA is specifically interested in a group of hard polymers called nastic materials. In biology, nastic refers to the natural movement of plants in response to changes in their environment, such as plants that track sunlight or that stiffen when watered. These movements are caused by changes in the water pressure inside the plant and can result in very large changes in shape.

The goal of the DARPA project, administered by John Main, is to develop synthetic materials that utilize internal pressure changes to cause large shape changes.

The plan calls for the investigation of the protein structures of plants for the purpose of understanding their role in generating shape changes in natural materials. The protein structures under analysis would then be used to develop a synthetic material to incorporate properties that produce controllable shape.

Ultimately, successful development of the nastic structure concept will provide a new class of materials based on the direct conversion of biochemical energy into mechanical work. In this manner it will provide a truly integrated ‘smart’ material that serves as the foundation for a new generation of biologically-inspired engineering systems.

In this unique program, researchers will be working with a company on the application of nastic materials to a morphing aircraft wing. This wing would dynamically change its shape and control surfaces during flight.
I want one of those cars that morphs into a briefcase when I get to work. 
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