betterexplained kicks absolute ass. Resources at comparable standards are extremely rare. Your slinkset may very well be recursive: [Posts betterexplained.com]
It's not the mechanics behind the site that is important, it is the concept. Betterexplained is a site providing valuable insights, and http://links.betterexplained.com promises to become a great resource for understanding the world.
Hackers care about curiosity, learning and understanding, hence the interest.
I was really happy to see this at the top. I think it may be because we're both YC alum and some articles from betterexplained have been well received here in the past.
But also, I hope, the need to know why (not just how) is a common urge among hackers.
I'm hoping to tap into some of the Hacker News wisdom in terms of sharing epiphanies :).