Daniel Freedman

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Dean of the College of Science, Technology, Engineering, Mathematics & Management, University of Wisconsin-Stout Polytechnic

A girl, wearing her prosthetic hands, walks to school in Uruguay. AP Photo/Matilde Campodonico

May 20, 2025

Anne Schmitz, University of Wisconsin-Stout Polytechnic and Daniel Freedman, University of Wisconsin-Stout Polytechnic

Precise and flexible 3D manufacturing techniques make it possible to individually tailor everything from prosthetics to drugs.

Rubies get their bright color from some fascinating chemistry. Matthew Hill/Bloomberg Creative Photos via Getty Images

February 4, 2025

Daniel Freedman, University of Wisconsin-Stout Polytechnic

Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic structure.

Light at the blue end of the rainbow is scattered more efficiently than the other colors. shomos uddin/Moment via Getty Images

January 20, 2025

Daniel Freedman, University of Wisconsin-Stout Polytechnic

The answer has to do with molecules.