DIY Nuke Detector-Start-Ups Fight Terror!

Ars Technica has an intersticle called Start Up and State secrets.

There's something overwhelmingly compelling about the symmetry inherent in the DIY nuke detector story: in an era when small, highly motivated, loosely connected groups of terrorists threaten our security by turning against us the cheap, plentiful fruits of our entrepreneurship and technological innovation (computers, mobile phones, the Internet, mass transit, international shipping, etc.), a group of scientists are taking that same bottom-up, ad hoc approach to countering the terrorist threat. Contrast the Sandia group's work to the high-dollar nuclear detectors described in the same article, detectors designed by big defense labs under government contract