earth2d
Most accurate optical atomic clock ever made will redefine the meaning of a 'second'
Scientists developed a highly accurate optical ion clock, improving time measurement precision by 1,000 times.
Optics2d
Optical atomic clock achieves record accuracy redefining the second
In an optical atomic clock, atoms are irradiated with laser light. If the laser has exactly the right frequency, the atoms change their quantum mechanical state. All external influences on the atoms ...
Hackaday5y
Word Clock Does The Job With Laser-Etched Acrylic
The electronics are all housed inside an enclosure that appears to be constructed from PCBs, with instructions on operating the clock printed on the base. The actual display is via laser-cut and ...
Hackaday27d
FallingWater Clock Puts New Spin On A Common LCD
which was then recreated in Inkscape so it could ultimately be laser-cut from acrylic. Rounding out the build is a “Leonardo Tiny” ATmega32U4 board, a DS3221 real-time clock (RTC), a couple of ...