Crystal clocks and atomic ticks, and laser sound by slinky activity

Crystal clocks and atomic ticks, and laser sound by slinky activity: "News: Crystal clocks and atomic ticks    
   

One of our readers requested an article about time keeping devices, and it’s a great time for the topic. Scientists set a new record in clock precision early this year with an atomic clock that ‘ticks’ 430 trillion times in a single second.
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In this edition of CSIRO Science news, learn more about how atomic clocks work and also check out the at home activity - using a slinky to generate laser sounds!



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