See also:

Playing Audio CD
When an audio CD is playing, the display shows the current track and the amount of time that track has been playing, the total amount of time on the disc, and the current time running on the disc. ...

What Makes an Airbag Inflate?
In a deployment event, the sensing system sends an electrical signal triggering a release of gas from the inflator. Gas from the inflator fills the airbag causing the bag to break out of the cover. ...

Braking
Braking action involves perception time and reaction time. Deciding to push the brake pedal is perception time. Actually doing it is reaction time. Average driver reaction time is about three-quar ...