Today we use quartz clocks
and watches to tell time.
For example, FlexRay automatically and digitally compensates for the differences in the variety of quartz clocks
running on the network, as well as in their slight changes in clock frequencies.
But three quartz clocks
will continue to operate, set to power up the detectors 45 minutes before Huygens reaches the top of Titan's extended atmosphere.
The Set & Forget can be installed in any of Chaney's quartz clocks
in its Acu-Rite, Chaney Instrument, Stoney Creek Trading Co.
Wake up to a stylish quartz alarm clock - ONLY pounds 1.99 THESE modern quartz clocks
have a square-faced design and come in a choice of pastel colours of blue, yellow or green.
This phenomenon, called the piezoelectric effect, has been well known in certain crystals for more than a century and is the driving force behind quartz clocks
and other applications.