Researchers at Northwestern University say they have developed a 3D printer that greatly speeds up the process of building face shields to protect medical workers from COVID-19. WBBM Newsradio’s Jim Gudas reports.

<p>Researchers at Northwestern University say they have developed a 3D printer that greatly speeds up the process of building face shields to protect medical workers from COVID-19. WBBM Newsradio&rsquo;s Jim Gudas reports.</p>

Advertisement