Mark 1 Fire Computer

Mechanical Computer Basics

YouTube user gwz40 uploaded a series of fascinating videos on mechanical computers and how they were used in in the US Navy for controlling projectiles fired from one moving ship to another moving target.   The movies were produced as part of a US Navy training program and illustrate the basic components that are used…

Kickass watches

I got quite a bit of interest from the Kickass Clocks post so I thought I would do a follow up. Now, for the neatest watches in the world. The Nixie Tube Digital Wristwatch! By Jeff Thomas / Resonant Instruments LLC http://www.amug.org/~jthomas/watch.html This is the really little brother of the NixiChron clock.  The fact that…