XDA Developers on MSN

You, too, can build this gorgeous IV-3 VFD clock

This gorgeous DIY IV-3 VFD clock is shared with full build files on GitHub. Uses IV-3 VFDs for a blue-green glow at ~30V - cheaper and lower-voltage than nixies. Complete repo includes schematics, ...
Interesting Engineering on MSN

New near-zero-temperature atomic clock aims to redefine how precisely we measure time

Today’s state-of-the-art optical clocks offer accuracy to 18 decimal places, which is roughly equivalent to measuring the ...