Beyond the N95: The Engineering Evolution of Personal Atmospheric Systems

Published on Jan. 31, 2026, 11:29 a.m.

The concept of the "gas mask" has remained largely unchanged since the trenches of World War I: a rubber facepiece, a charcoal …

From Squeegee to Scrubber: The Science and Story Behind Automated Floor Cleaning

Published on Aug. 19, 2025, 2:24 p.m.

In 1936, in a small garage in Oakland, California, an Italian window cleaner named Ettore Steccone perfected a simple yet revol…