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 ...
Hackaday5y
Word Clock Does The Job With Laser-Etched Acrylic
The actual display is via laser-cut and laser-etched acrylic ... and one any makerspace could whip up in a weekend. As far as word clocks go, however, the sky really is the limit when it comes ...