My buddy yoyojedi got quite the score at the last U.W. public auction: a 35 liter dewar, for only $150! The folks at Central Welding (our preferred purveyors of liquid nitrogen) had never seen one so …

Here is the classic Google Tech Talk from Robert Bussard (yes, the ramjet guy). In it he talks about a design for a novel fusion reactor he developed for the DoD over the course of eleven years. He wa…

We built a server / laser cutter room to contain the noise. Watch us build it in 45 seconds! Highlights: 04:27:46 PM: My first powder driven nail shot with Thor’s Amazing Wham Hammer (thx, 3ric) …

<img decoding=”async” loading=”lazy” class=”size-medium wp-image-290 alignright” title=”layout” src=”uploads/2010/05/layout-300x158.pngThanks to my extremely…

Thanks to help and instigation from 3ric, Ian, and Sirus, the go-kart is up and running. Not autonomous yet, but it does make the morning coffee run a lot more fun. (Flickr set)

It’s very good to be back at the Unit. I enjoyed the work (and play!) in Italy, but five weeks is too long to be away. Here’s what I’ve been researching this week: Particle beam physics. I have an ide…

Two full days in Venice. First we measured the effect of strong motorboat waves on a hand-rowed two person boat called a mascaréta. We used seven wireless accelerometers (Waspmotes w/ Zigbee modu…

The ICTP wireless school rages on. On Wednesday we did the annual “long distance link” exercise from Muggia to the ICTP. This year was cold, but at least there was no snow this time. Two out of three …

<a style=”text-decoration: none;” href=”uploads/2010/02/ICTPlogoColor-300x101.png It’s that time again: the 2010 ICTP school on wireless networking is rapidly approaching. …

It has been a while since I checked in on the Metaverse scene. Tonight I downloaded Snowglobe (the open source viewer from Second Life, remember them?) and OpenSimulator (the still-alpha but apparentl…