Securing a classroom door during an active shooter classroom drill takes too long, former teacher Daniel Nietzel, of Muscatine, thought, reports Radio Iowa. During active shooter drills, it took nearly as long to secure the door as the drill itself – two minutes to secure with belts and cords, and…
As part of a refresh of the Business Record’s Innovation Iowa brand, we have created a new landing page on the Business Record website to house all Innovation Iowa coverage and more stories from the Business Record covering innovation and technology.
Visit www.businessrecord.com/innovation-iowa to view all Innovation Iowa stories, including the 2026 Innovation Iowa Magazine, out now.
-Sarah Diehn, Business Record Editor