For diseases that travel through the air, like COVID-19, special hospital rooms are essential for controlling pathogens and making sure they stay contained to one patient’s room, rather than infecting ...

Negative pressure is a rare and challenging-to-detect phenomenon in physics. Using liquid-filled optical fibers and sound waves, researchers have now discovered a new method to measure it. In ...

If your PC runs hot, dusty, or loud, there's a decent chance your airflow is working against you and not for you. We dig into the mechanics of positive and negative pressure, lay out exactly when each ...

Spiral Duct Manufacturers Association (SPIDA) members often fabricate an inventory of standard lengths of round spiral ducts. These are fabricated not only for their own use, but may also be inventory ...