Oct
10
2009
2

How does a radio-controlled watch (or radio controlled clock) work?

Radio controlled watch (photo by RBerteig - CC-BY)In many countries of the world you can buy a clock or watch that will always show the correct time to the nearest second, and which never needs to be set. It will even automatically switch to daylight savings time when applicable. How is this possible? The timepiece includes a radio receiver tuned to a [more…]

Privacy Policy | Acknowledgements