Breathing Room: A Day with the 3M Versaflo TR-600 PAPR and the Science of Personal Airspace

Published on July 5, 2025, 1:56 p.m.

The dawn doesn't so much break as it seeps into Arthur’s workshop, a quiet gray light that finds its way through the high, dust…

The Welder's Life Support System: Deconstructing the Science of the Lincoln Electric K3715-XL Gear Pak

Published on June 19, 2025, 4:16 p.m.

To weld is to command a contained star. In the heart of the electric arc, temperatures soar past 6,000°F, effortlessly transfor…