Spiky 'hedgehog particles' for safer paints, fewer VOC emissions

A new process that can sprout microscopic spikes on nearly any type of particle may lead to more environmentally friendly paints and a variety of other innovations. Made by a team of University of Michigan engineers, the "hedgehog particles" are named for their bushy appearance under the microscope. Their development is detailed in a study published in the Jan. 29 issue of Nature.

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