This category contains the occasional post which doesn’t quite fit into any other category or posts which fit or span several categories.

The setup from Intelligence Squared: On Christmas Day, 2009, twenty-three-year-old Umar Farouk Abdulmutallab attempted to blow up Northwest Airlines Flight 253 using explosives hidden in his underwear. A string of missed opportunities and errors by government security agencies culminated in what President Obama would declare a “systemic failure.” Is scanning […]

Debate: U.S. Airports Should Use Racial And Religious Profiling

[HT Bruce Schneier] Here’s an excellent article on the use of biometrics in security system. Here are some highlights. Intro Authentication of a person is usually based on one of three things: something the person knows, such as a password; something physical the person possesses, like an actual key or […]

The Economist on Biometrics

One view of object-oriented programming is that it is a discipline that enforces modularity and clean interfaces. A second view emphasizes encapsulation, the fact that one cannot see, much less design, the inner structure of the pieces. Another view emphasizes inheritance, with its concomitant hierarchical structure of classes, with virtual functions. Yet another view […]

Fred Brooks on the promise of object oriented programming