Nixie clocks, which use little vacuum tubes to display the numbers, have been around for a while. Geeks build them, hipsters put them in their lofts, and they range from very cool to not so cool. Now ...

Frank a developer and engineer based in Berlin, Germany has created a unique timepiece, designed using nixie tubes or to be more specific, vacuum fluorescent tube displays based on Project OpenVFD.

Nixie tubes, otherwise known as numicators, were hawt stuff back in the pre-LED/LCD 60s if you wanted to display numerals in their digital form. Now do-it-yourselfers are creating retro clocks using ...