Symbolic links and hard links in Windows

I just found out that Windows 2000 and XP have hard links and symbolic links, just like Unix. But Windows doesn’t expose those features in the user interface. Dang it, I could have been using links for the past 5 years! Thankfully, some enterprising programmers have created utilities for creating and removing symbolic links (called …

Reading the entire Encyclopædia Britannica

As someone who read the World Book Encyclopedia for fun as a kid, I find the topic of the book The Know-It-All: One Man’s Humble Quest to Become the Smartest Person in the World intriguing. It’s Esquire editor A.J. Jacobs’s humorous account of his quest to read the entire 2002 edition of the Encyclopædia Britannica, …

Caltech math professor consults for CBS

I never thought I’d see this: CBS’ new series, NUMB3RS, is a drama where a math whiz helps his detective brother solve police crime cases. To make sure the math stays realistic, the head of Caltech’s math department, Gary Lorden, is consulting for the show. Also, the fictitious school in the show, “Cal Sci,” is …

Psychological traffic calming

Recently there’s been a bunch of articles about “second-generation traffic calming.” The basic idea is simple, but sounds crazy: remove all signs, traffic lights, and lane markings. Eliminate the curb separating the sidewalk from the street. This does several things. It emphasizes the street as a space to be shared between pedestrians and drivers. It …

Why Caps Lock is next to A instead of Ctrl

Recently my colleagues and I started to wonder why older PC keyboards have the Ctrl key next to the A key, while newer PC keyboards have Caps Lock there instead. It didn’t make sense: Ctrl is used more frequently than Caps Lock, so why is it now in a less prominent position? The most likely …