Shares 1. Air pressure is the weight (or force) of the atmosphere at any particular point. Although you canât feel it or see it, air pressure plays an important part in weather, and can be demonstrated with some really fun experiments.
familiar with breathalyzers that require drivers to provide a deep-lung sample by blowing into a tube or other sensor. In contrast, the breath-based system being developed by Autoliv Development is designed to unobtrusively analyze alcohol in the driverâs breath. Drivers will simply be able to enter the vehicle and
Breathalyzers measure the alcohol that passes through alveoli air sacs as blood flows through vessels in the lungs, and is then expelled on a subjectâs breath. Breathalyzer results, particularly those derived from fuel cell sensor breath tests, are considered sufficiently accurate to be admitted in a DUI prosecution.