Brian Teears explains how fire dynamics has changed as a result of modern construction and, thus, why officers and firefighters must account for this in terms of how heat, air and water interact.

Patients experiencing respiratory failure need help fast. One of the most common therapies involves use of positive pressure via a breathing tube and ventilator to push air into the lungs. “The ...

National Institute of Standards and Technology (NIST) engineers recently released a two-disk DVD set that demonstrates how Positive Pressure Ventilation (PPV), a technique in which powerful fans force ...