It is no secret that I like oddball display tubes and today I present to you the National 54362 two digit nixie tube.  That’s right, there are two distinct and independently controllable digits inside of this device.  On the lefthand side there are standard SI prefixes and on the right side there units – Hz, and Seconds. [...]

I haven’t spent much time playing with my lasers lately so I pulled them out last night to make sure that everything still worked.  This is the first (and probably last) laser video that I shot with my 5D MII – one stray beam and it will destroy the sensor.  This is the same basic home built [...]

Here is an awesome video of a robotic band playing The Beautiful People.  Look out House On The Rock via Hack A Day

Okay, the last time I asked for help identifying an unknown device, you guys came through.  Even Evil Mad Scientist helped out (you guys rock.)  Well, I now have two Panaplex-style neon displays that I can’t seem to find that much information on.  Does anyone have any information on these or hints to where I [...]

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 [...]

Home made laser scanner based off of a Red, Green, Blue and Violet laser module. Roughly 1/2 watt combined output

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 [...]