A new web-based tool called CogTracer borrows interview techniques used by the justice system to help COVID-19 patients remember who they might have spread the virus to.
Zachery Smith, engineering support specialist at Penn State University’s Applied Research Laboratory, wears a prototype of a 3D-printed face shield. (Charles Tricou / Penn State)
Amid a shortage of critical medical supplies, university professors and staff are pooling their knowledge of 3D printing to make equipment to protect health care workers.