IEEE Spectrum on MSN
A chip that keeps time (almost) like an atomic clock
For decades, atomic clocks have provided the most stable means of timekeeping. They measure time by oscillating in step with ...
The heart of a minuscule atomic clock—believed to be 100 times smaller than any other atomic clock—has been demonstrated by scientists at the Commerce Department’s National Institute of Standards and ...
This propeller clock project is a modified version which uses a PIC16F84A microcontroller to create the POV impression. The original propeller clock was rebuilt using higher intensity LEDs. A rubber ...
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