Contact: Jason Shear
University of Texas at Austin
Caption: The bacteria are put in the solution, and when the solution cools, the bacteria become fixed in place. The researchers then identify which bacteria they want to cage and in what shape and fire the laser, using a chip adapted from a digital movie projector to project a two-dimensional image into the gelatin. Wherever it focuses, a solid matrix forms.
Credit: Courtesy of Jason Shear
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