Which Nixie tube clocks are best? Recently, using clocks that tell time using old-fashioned vacuum tubes (Nixie tubes) has become more popular. For anyone who loves to see the guts of technology, a ...

First off a brief explanation of what a nixie tube is:<br><br>Nixie tubes are tube that were used in numeric displays in the 60's and 70's. They look like vacuum tubes but they are actually filled ...